556915157472 has 48 divisors (see below), whose sum is σ = 1476973470672. Its totient is φ = 183724584960.

The previous prime is 556915157471. The next prime is 556915157479. The reversal of 556915157472 is 274751519655.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556915157471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29893779 + ... + 29912402.

It is an arithmetic number, because the mean of its divisors is an integer number (30770280639).

Almost surely, 2^556915157472 is an apocalyptic number.

It is an amenable number.

556915157472 is an abundant number, since it is smaller than the sum of its proper divisors (920058313200).

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

556915157472 is a wasteful number, since it uses less digits than its factorization.

556915157472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59806291 (or 59806283 counting only the distinct ones).

The product of its digits is 13230000, while the sum is 57.

The spelling of 556915157472 in words is "five hundred fifty-six billion, nine hundred fifteen million, one hundred fifty-seven thousand, four hundred seventy-two".