475081238920 has 64 divisors (see below), whose sum is σ = 1132056155520. Its totient is φ = 179057201664.

The previous prime is 475081238899. The next prime is 475081238999. The reversal of 475081238920 is 29832180574.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3792037 + ... + 3915316.

It is an arithmetic number, because the mean of its divisors is an integer number (17688377430).

Almost surely, 2^475081238920 is an apocalyptic number.

475081238920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

475081238920 is an abundant number, since it is smaller than the sum of its proper divisors (656974916600).

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

475081238920 is a wasteful number, since it uses less digits than its factorization.

475081238920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7707454 (or 7707450 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 475081238920 in words is "four hundred seventy-five billion, eighty-one million, two hundred thirty-eight thousand, nine hundred twenty".