504389575172 has 12 divisors (see below), whose sum is σ = 1008779150400. Its totient is φ = 216166960776.

The previous prime is 504389575169. The next prime is 504389575181. The reversal of 504389575172 is 271575983405.

504389575172 is an admirable number.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9006956672 + ... + 9006956727.

It is an arithmetic number, because the mean of its divisors is an integer number (84064929200).

Almost surely, 2^504389575172 is an apocalyptic number.

It is an amenable number.

504389575172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

504389575172 is a wasteful number, since it uses less digits than its factorization.

504389575172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18013913410 (or 18013913408 counting only the distinct ones).

The product of its (nonzero) digits is 10584000, while the sum is 56.

The spelling of 504389575172 in words is "five hundred four billion, three hundred eighty-nine million, five hundred seventy-five thousand, one hundred seventy-two".