556272641232 has 420 divisors, whose sum is σ = 2017226844576. Its totient is φ = 144302808960.

The previous prime is 556272641203. The next prime is 556272641251. The reversal of 556272641232 is 232146272655.

556272641232 is a `hidden beast` number, since 5 + 5 + 627 + 2 + 6 + 4 + 12 + 3 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 706826343 + ... + 706827129.

Almost surely, 2^556272641232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556272641232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1008613422288).

556272641232 is an abundant number, since it is smaller than the sum of its proper divisors (1460954203344).

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

556272641232 is an frugal number, since it uses more digits than its factorization.

556272641232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618 (or 810 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The spelling of 556272641232 in words is "five hundred fifty-six billion, two hundred seventy-two million, six hundred forty-one thousand, two hundred thirty-two".