28550185024 has 21 divisors (see below), whose sum is σ = 56656955901. Its totient is φ = 14274416640.

The previous prime is 28550184997. The next prime is 28550185043. The reversal of 28550185024 is 42058105582.

The square root of 28550185024 is 168968.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 20918415424 + 7631769600 = 144632^2 + 87360^2 .

It is a super-2 number, since 2×28550185024² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1341184 + ... + 1362304.

It is an arithmetic number, because the mean of its divisors is an integer number (2697950281).

Almost surely, 2^28550185024 is an apocalyptic number.

28550185024 is the 168968-th square number.

It is an amenable number.

28550185024 is a deficient number, since it is larger than the sum of its proper divisors (28106770877).

28550185024 is an frugal number, since it uses more digits than its factorization.

28550185024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42254 (or 21123 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 40.

The spelling of 28550185024 in words is "twenty-eight billion, five hundred fifty million, one hundred eighty-five thousand, twenty-four".