28529824656 has 20 divisors (see below), whose sum is σ = 73702047152. Its totient is φ = 9509941536.

The previous prime is 28529824633. The next prime is 28529824681. The reversal of 28529824656 is 65642892582.

It is a junction number, because it is equal to n+sod(n) for n = 28529824596 and 28529824605.

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 3 ways as a sum of consecutive naturals, for example, 297185626 + ... + 297185721.

Almost surely, 2^28529824656 is an apocalyptic number.

It is an amenable number.

28529824656 is an abundant number, since it is smaller than the sum of its proper divisors (45172222496).

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

28529824656 is a wasteful number, since it uses less digits than its factorization.

28529824656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594371358 (or 594371352 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 57.

The spelling of 28529824656 in words is "twenty-eight billion, five hundred twenty-nine million, eight hundred twenty-four thousand, six hundred fifty-six".