404002044456 has 32 divisors (see below), whose sum is σ = 1010022341760. Its totient is φ = 134665050752.

The previous prime is 404002044421. The next prime is 404002044491. The reversal of 404002044456 is 654440200404.

It is an interprime number because it is at equal distance from previous prime (404002044421) and next prime (404002044491).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1867201 + ... + 2072303.

It is an arithmetic number, because the mean of its divisors is an integer number (31563198180).

Almost surely, 2^404002044456 is an apocalyptic number.

It is an amenable number.

404002044456 is an abundant number, since it is smaller than the sum of its proper divisors (606020297304).

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

404002044456 is a wasteful number, since it uses less digits than its factorization.

404002044456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287185 (or 287181 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

The spelling of 404002044456 in words is "four hundred four billion, two million, forty-four thousand, four hundred fifty-six".