479454431856 has 40 divisors (see below), whose sum is σ = 1272066042384. Its totient is φ = 155498734080.

The previous prime is 479454431843. The next prime is 479454431861. The reversal of 479454431856 is 658134454974.

It is a self number, because there is not a number n which added to its sum of digits gives 479454431856.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134979765 + ... + 134983316.

Almost surely, 2^479454431856 is an apocalyptic number.

It is an amenable number.

479454431856 is an abundant number, since it is smaller than the sum of its proper divisors (792611610528).

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

479454431856 is a wasteful number, since it uses less digits than its factorization.

479454431856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269963129 (or 269963123 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 60.

The spelling of 479454431856 in words is "four hundred seventy-nine billion, four hundred fifty-four million, four hundred thirty-one thousand, eight hundred fifty-six".