479381664 has 24 divisors (see below), whose sum is σ = 1258377120. Its totient is φ = 159793856.

The previous prime is 479381627. The next prime is 479381677. The reversal of 479381664 is 466183974.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2496684 + ... + 2496875.

It is an arithmetic number, because the mean of its divisors is an integer number (52432380).

Almost surely, 2^479381664 is an apocalyptic number.

It is an amenable number.

479381664 is an abundant number, since it is smaller than the sum of its proper divisors (778995456).

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

479381664 is a wasteful number, since it uses less digits than its factorization.

479381664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4993572 (or 4993564 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The square root of 479381664 is about 21894.7862286892. The cubic root of 479381664 is about 782.6371749293.

The spelling of 479381664 in words is "four hundred seventy-nine million, three hundred eighty-one thousand, six hundred sixty-four".