478487113644 has 48 divisors (see below), whose sum is σ = 1139578499808. Its totient is φ = 156205291008.

The previous prime is 478487113639. The next prime is 478487113703. The reversal of 478487113644 is 446311784874.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321097 + ... + 1029600.

It is an arithmetic number, because the mean of its divisors is an integer number (23741218746).

Almost surely, 2^478487113644 is an apocalyptic number.

It is an amenable number.

478487113644 is an abundant number, since it is smaller than the sum of its proper divisors (661091386164).

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

478487113644 is a wasteful number, since it uses less digits than its factorization.

478487113644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351314 (or 1351312 counting only the distinct ones).

The product of its digits is 14450688, while the sum is 57.

The spelling of 478487113644 in words is "four hundred seventy-eight billion, four hundred eighty-seven million, one hundred thirteen thousand, six hundred forty-four".