445479904 has 24 divisors (see below), whose sum is σ = 907283160. Its totient is φ = 215058816.

The previous prime is 445479899. The next prime is 445479949. The reversal of 445479904 is 409974544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239094 + ... + 240949.

It is an arithmetic number, because the mean of its divisors is an integer number (37803465).

Almost surely, 2^445479904 is an apocalyptic number.

It is an amenable number.

445479904 is an abundant number, since it is smaller than the sum of its proper divisors (461803256).

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

445479904 is a wasteful number, since it uses less digits than its factorization.

445479904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480082 (or 480074 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 445479904 is about 21106.3948603261. The cubic root of 445479904 is about 763.7350213632.

The spelling of 445479904 in words is "four hundred forty-five million, four hundred seventy-nine thousand, nine hundred four".