804256980 has 48 divisors (see below), whose sum is σ = 2294417664. Its totient is φ = 210421120.

The previous prime is 804256979. The next prime is 804257011. The reversal of 804256980 is 89652408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123276 + ... + 129635.

It is an arithmetic number, because the mean of its divisors is an integer number (47800368).

Almost surely, 2^804256980 is an apocalyptic number.

It is an amenable number.

804256980 is an abundant number, since it is smaller than the sum of its proper divisors (1490160684).

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

804256980 is a wasteful number, since it uses less digits than its factorization.

804256980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252976 (or 252974 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 804256980 is about 28359.4248883859. The cubic root of 804256980 is about 929.9614505931.

The spelling of 804256980 in words is "eight hundred four million, two hundred fifty-six thousand, nine hundred eighty".