40932639 has 12 divisors (see below), whose sum is σ = 64500072. Its totient is φ = 24807600.

The previous prime is 40932623. The next prime is 40932641. The reversal of 40932639 is 93623904.

It is a happy number.

40932639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40932639 - 2⁴ = 40932623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40932439) 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 in 11 ways as a sum of consecutive naturals, for example, 206632 + ... + 206829.

It is an arithmetic number, because the mean of its divisors is an integer number (5375006).

Almost surely, 2^40932639 is an apocalyptic number.

40932639 is a deficient number, since it is larger than the sum of its proper divisors (23567433).

40932639 is a wasteful number, since it uses less digits than its factorization.

40932639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413478 (or 413475 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 40932639 is about 6397.8620647838. The cubic root of 40932639 is about 344.6327787672.

The spelling of 40932639 in words is "forty million, nine hundred thirty-two thousand, six hundred thirty-nine".