40499 has 2 divisors, whose sum is σ = 40500. Its totient is φ = 40498.

The previous prime is 40493. The next prime is 40507. The reversal of 40499 is 99404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40499 - 2⁴ = 40483 is a prime.

It is a Chen prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (40493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20249 + 20250.

It is an arithmetic number, because the mean of its divisors is an integer number (20250).

2⁴⁰⁴⁹⁹ is an apocalyptic number.

40499 is a deficient number, since it is larger than the sum of its proper divisors (1).

40499 is an equidigital number, since it uses as much as digits as its factorization.

40499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 40499 is about 201.2436334397. The cubic root of 40499 is about 34.3411446288.

The spelling of 40499 in words is "forty thousand, four hundred ninety-nine".