40233539 has 2 divisors, whose sum is σ = 40233540. Its totient is φ = 40233538.

The previous prime is 40233521. The next prime is 40233547. The reversal of 40233539 is 93533204.

40233539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40233539 - 2⁸ = 40233283 is a prime.

It is not a weakly prime, because it can be changed into another prime (40233839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20116769 + 20116770.

It is an arithmetic number, because the mean of its divisors is an integer number (20116770).

Almost surely, 2^40233539 is an apocalyptic number.

40233539 is a deficient number, since it is larger than the sum of its proper divisors (1).

40233539 is an equidigital number, since it uses as much as digits as its factorization.

40233539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 40233539 is about 6342.9913290182. The cubic root of 40233539 is about 342.6594749904.

The spelling of 40233539 in words is "forty million, two hundred thirty-three thousand, five hundred thirty-nine".