28528814592 has 120 divisors (see below), whose sum is σ = 82708289664. Its totient is φ = 9466619904.

The previous prime is 28528814581. The next prime is 28528814623. The reversal of 28528814592 is 29541882582.

28528814592 is a `hidden beast` number, since 28 + 5 + 28 + 8 + 1 + 4 + 592 = 666.

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 11 ways as a sum of consecutive naturals, for example, 1013703 + ... + 1041465.

Almost surely, 2^28528814592 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28528814592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41354144832).

28528814592 is an abundant number, since it is smaller than the sum of its proper divisors (54179475072).

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

28528814592 is a wasteful number, since it uses less digits than its factorization.

28528814592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28010 (or 27991 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 54.

The spelling of 28528814592 in words is "twenty-eight billion, five hundred twenty-eight million, eight hundred fourteen thousand, five hundred ninety-two".