478320034456 has 96 divisors (see below), whose sum is σ = 992308212000. Its totient is φ = 215986383360.

The previous prime is 478320034417. The next prime is 478320034471. The reversal of 478320034456 is 654430023874.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96258340 + ... + 96263308.

It is an arithmetic number, because the mean of its divisors is an integer number (10336543875).

Almost surely, 2^478320034456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 478320034456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (496154106000).

478320034456 is an abundant number, since it is smaller than the sum of its proper divisors (513988177544).

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

478320034456 is a wasteful number, since it uses less digits than its factorization.

478320034456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5633 (or 5618 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 46.

The spelling of 478320034456 in words is "four hundred seventy-eight billion, three hundred twenty million, thirty-four thousand, four hundred fifty-six".