512040555504 has 60 divisors (see below), whose sum is σ = 1495306849296. Its totient is φ = 163259306496.

The previous prime is 512040555493. The next prime is 512040555563. The reversal of 512040555504 is 405555040215.

512040555504 is a `hidden beast` number, since 5 + 12 + 0 + 40 + 55 + 550 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77297497 + ... + 77304120.

Almost surely, 2^512040555504 is an apocalyptic number.

It is an amenable number.

512040555504 is an abundant number, since it is smaller than the sum of its proper divisors (983266293792).

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

512040555504 is a wasteful number, since it uses less digits than its factorization.

512040555504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154601654 (or 154601645 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 36.

Adding to 512040555504 its reverse (405555040215), we get a palindrome (917595595719).

The spelling of 512040555504 in words is "five hundred twelve billion, forty million, five hundred fifty-five thousand, five hundred four".