556444484444655 has 24 divisors (see below), whose sum is σ = 973867887346848. Its totient is φ = 293889125762496.

The previous prime is 556444484444603. The next prime is 556444484444711.

556444484444655 is a `hidden beast` number, since 5 + 5 + 6 + 4 + 4 + 44 + 84 + 44 + 465 + 5 = 666.

556444484444655 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 556444484444655 - 2⁸ = 556444484444399 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60026369092 + ... + 60026378361.

It is an arithmetic number, because the mean of its divisors is an integer number (40577828639452).

Almost surely, 2^{556444484444655} is an apocalyptic number.

556444484444655 is a deficient number, since it is larger than the sum of its proper divisors (417423402902193).

556444484444655 is a wasteful number, since it uses less digits than its factorization.

556444484444655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120052747567 (or 120052747564 counting only the distinct ones).

The product of its digits is 11796480000, while the sum is 72.

The spelling of 556444484444655 in words is "five hundred fifty-six trillion, four hundred forty-four billion, four hundred eighty-four million, four hundred forty-four thousand, six hundred fifty-five".