404040220056 has 96 divisors (see below), whose sum is σ = 1263976131600. Its totient is φ = 115234283520.

The previous prime is 404040220013. The next prime is 404040220081. The reversal of 404040220056 is 650022040404.

404040220056 is a `hidden beast` number, since 4 + 0 + 4 + 0 + 402 + 200 + 56 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14991001 + ... + 15017928.

Almost surely, 2^404040220056 is an apocalyptic number.

It is an amenable number.

404040220056 is an abundant number, since it is smaller than the sum of its proper divisors (859935911544).

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

404040220056 is a wasteful number, since it uses less digits than its factorization.

404040220056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30008969 (or 30008962 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The spelling of 404040220056 in words is "four hundred four billion, forty million, two hundred twenty thousand, fifty-six".