404887120 has 40 divisors (see below), whose sum is σ = 1026943200. Its totient is φ = 147231360.

The previous prime is 404887111. The next prime is 404887139. The reversal of 404887120 is 21788404.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 229170 + ... + 230929.

It is an arithmetic number, because the mean of its divisors is an integer number (25673580).

Almost surely, 2^404887120 is an apocalyptic number.

404887120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404887120 is an abundant number, since it is smaller than the sum of its proper divisors (622056080).

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

404887120 is a wasteful number, since it uses less digits than its factorization.

404887120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460123 (or 460117 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 404887120 is about 20121.8070759065. The cubic root of 404887120 is about 739.7948786235.

The spelling of 404887120 in words is "four hundred four million, eight hundred eighty-seven thousand, one hundred twenty".