479664460 has 24 divisors (see below), whose sum is σ = 1098868176. Its totient is φ = 174423360.

The previous prime is 479664413. The next prime is 479664463. The reversal of 479664460 is 64466974.

It is a self number, because there is not a number n which added to its sum of digits gives 479664460.

It is not an unprimeable number, because it can be changed into a prime (479664463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1089927 + ... + 1090366.

It is an arithmetic number, because the mean of its divisors is an integer number (45786174).

Almost surely, 2^479664460 is an apocalyptic number.

It is an amenable number.

479664460 is an abundant number, since it is smaller than the sum of its proper divisors (619203716).

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

479664460 is a wasteful number, since it uses less digits than its factorization.

479664460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180313 (or 2180311 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 46.

The square root of 479664460 is about 21901.2433437008. The cubic root of 479664460 is about 782.7910419986.

The spelling of 479664460 in words is "four hundred seventy-nine million, six hundred sixty-four thousand, four hundred sixty".