404956980 has 72 divisors (see below), whose sum is σ = 1230028800. Its totient is φ = 107842752.

The previous prime is 404956973. The next prime is 404956991. The reversal of 404956980 is 89659404.

It is a happy number.

404956980 is a `hidden beast` number, since 4 + 0 + 4 + 9 + 569 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 229341 + ... + 231099.

Almost surely, 2^404956980 is an apocalyptic number.

It is an amenable number.

404956980 is an abundant number, since it is smaller than the sum of its proper divisors (825071820).

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

404956980 is a wasteful number, since it uses less digits than its factorization.

404956980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3053 (or 3048 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 404956980 is about 20123.5429286197. The cubic root of 404956980 is about 739.8374247188.

The spelling of 404956980 in words is "four hundred four million, nine hundred fifty-six thousand, nine hundred eighty".