476388481272 has 128 divisors (see below), whose sum is σ = 1356054773760. Its totient is φ = 138050549120.

The previous prime is 476388481223. The next prime is 476388481273. The reversal of 476388481272 is 272184883674.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (476388481273) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38022673 + ... + 38035199.

It is an arithmetic number, because the mean of its divisors is an integer number (10594177920).

Almost surely, 2^476388481272 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 476388481272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (678027386880).

476388481272 is an abundant number, since it is smaller than the sum of its proper divisors (879666292488).

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

476388481272 is a wasteful number, since it uses less digits than its factorization.

476388481272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18833 (or 18829 counting only the distinct ones).

The product of its digits is 28901376, while the sum is 60.

The spelling of 476388481272 in words is "four hundred seventy-six billion, three hundred eighty-eight million, four hundred eighty-one thousand, two hundred seventy-two".