40080056 has 16 divisors (see below), whose sum is σ = 75411000. Its totient is φ = 19970464.

The previous prime is 40080041. The next prime is 40080071. The reversal of 40080056 is 65008004.

It is an interprime number because it is at equal distance from previous prime (40080041) and next prime (40080071).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6206 + ... + 10893.

Almost surely, 2^40080056 is an apocalyptic number.

It is an amenable number.

40080056 is a deficient number, since it is larger than the sum of its proper divisors (35330944).

40080056 is a wasteful number, since it uses less digits than its factorization.

40080056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17398 (or 17394 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 40080056 is about 6330.8811393044. The cubic root of 40080056 is about 342.2231936843.

The spelling of 40080056 in words is "forty million, eighty thousand, fifty-six".