40 in Urdu Counting is called چالیس ۴۰ Chalees.
Chalees چالیس ۴۰
| Number | 40 |
| Roman Numeral | XL |
| Binary Representation | 101000 |
| Octal Representation | 50 |
| Hexadecimal Representation | 28 |
| Binary Palindrome | No (Binary representation: 101000) |
| Cube | 40^3 = 64000 |
| Cube Root | ∛40 ≈ 3.41995 |
| Divisibility Rules | Divisible by 1, 2, 4, 5, 8, 10, 20, 40 |
| Divisors | 1, 2, 4, 5, 8, 10, 20, 40 |
| Euler’s Totient Function | φ(40) = 16 |
| Exponentiation | 2^3 = 8 |
| Factors | 1, 2, 4, 5, 8, 10, 20, 40 |
| Palindromic | No (40 is not a palindrome) |
| Prime Factorization | 40 = 2^3 * 5 |
| Product of Digits | 4 * 0 = 0 |
| Square | 40^2 = 1600 |
| Square Root | √40 ≈ 6.32456 |
| Sum of Digits | 4 + 0 = 4 |