56442020152728 has 32 divisors (see below), whose sum is σ = 161262914722560. Its totient is φ = 16126291472160.

The previous prime is 56442020152703. The next prime is 56442020152747. The reversal of 56442020152728 is 82725102024465.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167982202668 + ... + 167982203003.

It is an arithmetic number, because the mean of its divisors is an integer number (5039466085080).

Almost surely, 2^{56442020152728} is an apocalyptic number.

It is an amenable number.

56442020152728 is an abundant number, since it is smaller than the sum of its proper divisors (104820894569832).

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

56442020152728 is a wasteful number, since it uses less digits than its factorization.

56442020152728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335964405687 (or 335964405683 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 48.

The spelling of 56442020152728 in words is "fifty-six trillion, four hundred forty-two billion, twenty million, one hundred fifty-two thousand, seven hundred twenty-eight".