478720252448 has 48 divisors (see below), whose sum is σ = 975086501760. Its totient is φ = 231081043200.

The previous prime is 478720252447. The next prime is 478720252453. The reversal of 478720252448 is 844252027874.

It is a self number, because there is not a number n which added to its sum of digits gives 478720252448.

It is not an unprimeable number, because it can be changed into a prime (478720252441) 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, 10622603 + ... + 10667573.

It is an arithmetic number, because the mean of its divisors is an integer number (20314302120).

Almost surely, 2^478720252448 is an apocalyptic number.

It is an amenable number.

478720252448 is an abundant number, since it is smaller than the sum of its proper divisors (496366249312).

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

478720252448 is a wasteful number, since it uses less digits than its factorization.

478720252448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56481 (or 56473 counting only the distinct ones).

The product of its (nonzero) digits is 8028160, while the sum is 53.

The spelling of 478720252448 in words is "four hundred seventy-eight billion, seven hundred twenty million, two hundred fifty-two thousand, four hundred forty-eight".