551472724432 has 40 divisors (see below), whose sum is σ = 1244158154496. Its totient is φ = 231886102656.

The previous prime is 551472724421. The next prime is 551472724489. The reversal of 551472724432 is 234427274155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46445608 + ... + 46457479.

Almost surely, 2^551472724432 is an apocalyptic number.

It is an amenable number.

551472724432 is an abundant number, since it is smaller than the sum of its proper divisors (692685430064).

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

551472724432 is a wasteful number, since it uses less digits than its factorization.

551472724432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92903155 (or 92903149 counting only the distinct ones).

The product of its digits is 1881600, while the sum is 46.

Adding to 551472724432 its reverse (234427274155), we get a palindrome (785899998587).

The spelling of 551472724432 in words is "five hundred fifty-one billion, four hundred seventy-two million, seven hundred twenty-four thousand, four hundred thirty-two".