40056392 has 16 divisors (see below), whose sum is σ = 76853040. Its totient is φ = 19562256.

The previous prime is 40056383. The next prime is 40056421. The reversal of 40056392 is 29365004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57878 + ... + 58565.

It is an arithmetic number, because the mean of its divisors is an integer number (4803315).

Almost surely, 2^40056392 is an apocalyptic number.

It is an amenable number.

40056392 is a deficient number, since it is larger than the sum of its proper divisors (36796648).

40056392 is a wasteful number, since it uses less digits than its factorization.

40056392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116492 (or 116488 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 40056392 is about 6329.0119292035. The cubic root of 40056392 is about 342.1558288084.

The spelling of 40056392 in words is "forty million, fifty-six thousand, three hundred ninety-two".