476557631720 has 64 divisors (see below), whose sum is σ = 1087747315200. Its totient is φ = 187870735360.

The previous prime is 476557631689. The next prime is 476557631731. The reversal of 476557631720 is 27136755674.

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 15 ways as a sum of consecutive naturals, for example, 8284016 + ... + 8341344.

It is an arithmetic number, because the mean of its divisors is an integer number (16996051800).

Almost surely, 2^476557631720 is an apocalyptic number.

476557631720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 476557631720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (543873657600).

476557631720 is an abundant number, since it is smaller than the sum of its proper divisors (611189683480).

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

476557631720 is a wasteful number, since it uses less digits than its factorization.

476557631720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60338 (or 60334 counting only the distinct ones).

The product of its (nonzero) digits is 7408800, while the sum is 53.

The spelling of 476557631720 in words is "four hundred seventy-six billion, five hundred fifty-seven million, six hundred thirty-one thousand, seven hundred twenty".