556554241872 has 240 divisors, whose sum is σ = 1706544702720. Its totient is φ = 168625594368.

The previous prime is 556554241847. The next prime is 556554241883. The reversal of 556554241872 is 278142455655.

556554241872 is a `hidden beast` number, since 5 + 5 + 6 + 554 + 2 + 4 + 1 + 87 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9338793 + ... + 9398199.

It is an arithmetic number, because the mean of its divisors is an integer number (7110602928).

Almost surely, 2^556554241872 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 556554241872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (853272351360).

556554241872 is an abundant number, since it is smaller than the sum of its proper divisors (1149990460848).

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

556554241872 is a wasteful number, since it uses less digits than its factorization.

556554241872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59570 (or 59561 counting only the distinct ones).

The product of its digits is 13440000, while the sum is 54.

The spelling of 556554241872 in words is "five hundred fifty-six billion, five hundred fifty-four million, two hundred forty-one thousand, eight hundred seventy-two".