475994452180 has 36 divisors (see below), whose sum is σ = 1082394492732. Its totient is φ = 175751796480.

The previous prime is 475994452177. The next prime is 475994452243. The reversal of 475994452180 is 81254499574.

It can be written as a sum of positive squares in 6 ways, for example, as 60139714756 + 415854737424 = 245234^2 + 644868^2 .

It is a super-2 number, since 2×475994452180² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 70410001 + ... + 70416760.

It is an arithmetic number, because the mean of its divisors is an integer number (30066513687).

Almost surely, 2^475994452180 is an apocalyptic number.

It is an amenable number.

475994452180 is an abundant number, since it is smaller than the sum of its proper divisors (606400040552).

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

475994452180 is a wasteful number, since it uses less digits than its factorization.

475994452180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140826796 (or 140826781 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 58.

The spelling of 475994452180 in words is "four hundred seventy-five billion, nine hundred ninety-four million, four hundred fifty-two thousand, one hundred eighty".