556228901232 has 280 divisors, whose sum is σ = 1704450432000. Its totient is φ = 175278847104.

The previous prime is 556228901219. The next prime is 556228901269. The reversal of 556228901232 is 232109822655.

556228901232 is a `hidden beast` number, since 5 + 5 + 622 + 8 + 9 + 0 + 12 + 3 + 2 = 666.

It is a super-2 number, since 2×556228901232² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 115902769 + ... + 115907567.

Almost surely, 2^556228901232 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 556228901232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (852225216000).

556228901232 is an abundant number, since it is smaller than the sum of its proper divisors (1148221530768).

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

556228901232 is a wasteful number, since it uses less digits than its factorization.

556228901232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5367 (or 5346 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 556228901232 in words is "five hundred fifty-six billion, two hundred twenty-eight million, nine hundred one thousand, two hundred thirty-two".