478032472656 has 60 divisors (see below), whose sum is σ = 1408238944320. Its totient is φ = 150957622080.

The previous prime is 478032472649. The next prime is 478032472657. The reversal of 478032472656 is 656274230874.

478032472656 is a `hidden beast` number, since 4 + 7 + 80 + 32 + 472 + 65 + 6 = 666.

478032472656 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478032472657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87357000 + ... + 87362471.

It is an arithmetic number, because the mean of its divisors is an integer number (23470649072).

Almost surely, 2^478032472656 is an apocalyptic number.

It is an amenable number.

478032472656 is an abundant number, since it is smaller than the sum of its proper divisors (930206471664).

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

478032472656 is a wasteful number, since it uses less digits than its factorization.

478032472656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174719504 (or 174719495 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 54.

The spelling of 478032472656 in words is "four hundred seventy-eight billion, thirty-two million, four hundred seventy-two thousand, six hundred fifty-six".