28561496192 has 32 divisors (see below), whose sum is σ = 56950542300. Its totient is φ = 14268026880.

The previous prime is 28561496111. The next prime is 28561496213. The reversal of 28561496192 is 29169416582.

It can be written as a sum of positive squares in 2 ways, for example, as 25582083136 + 2979413056 = 159944^2 + 54584^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45692 + ... + 243332.

Almost surely, 2^28561496192 is an apocalyptic number.

It is an amenable number.

28561496192 is a deficient number, since it is larger than the sum of its proper divisors (28389046108).

28561496192 is a wasteful number, since it uses less digits than its factorization.

28561496192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198784 (or 198772 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 53.

The spelling of 28561496192 in words is "twenty-eight billion, five hundred sixty-one million, four hundred ninety-six thousand, one hundred ninety-two".