40006056 has 16 divisors (see below), whose sum is σ = 100015200. Its totient is φ = 13335344.

The previous prime is 40006033. The next prime is 40006061. The reversal of 40006056 is 65060004.

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, 833436 + ... + 833483.

It is an arithmetic number, because the mean of its divisors is an integer number (6250950).

Almost surely, 2^40006056 is an apocalyptic number.

It is an amenable number.

40006056 is an abundant number, since it is smaller than the sum of its proper divisors (60009144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40006056 is a wasteful number, since it uses less digits than its factorization.

40006056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666928 (or 1666924 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 40006056 is about 6325.0340710545. The cubic root of 40006056 is about 342.0124478216.

The spelling of 40006056 in words is "forty million, six thousand, fifty-six", and thus it is an eban number.