404281164 has 72 divisors (see below), whose sum is σ = 1155120960. Its totient is φ = 109426464.

The previous prime is 404281147. The next prime is 404281181. The reversal of 404281164 is 461182404.

It is an interprime number because it is at equal distance from previous prime (404281147) and next prime (404281181).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6922 + ... + 29265.

Almost surely, 2^404281164 is an apocalyptic number.

It is an amenable number.

404281164 is an abundant number, since it is smaller than the sum of its proper divisors (750839796).

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

404281164 is a wasteful number, since it uses less digits than its factorization.

404281164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36227 (or 36218 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 404281164 is about 20106.7442416717. The cubic root of 404281164 is about 739.4256341734.

The spelling of 404281164 in words is "four hundred four million, two hundred eighty-one thousand, one hundred sixty-four".