28524307800 has 48 divisors (see below), whose sum is σ = 88425356040. Its totient is φ = 7606481920.

The previous prime is 28524307753. The next prime is 28524307807. The reversal of 28524307800 is 870342582.

It is a super-2 number, since 2×28524307800² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28524307807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23769657 + ... + 23770856.

Almost surely, 2^28524307800 is an apocalyptic number.

28524307800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28524307800 is an abundant number, since it is smaller than the sum of its proper divisors (59901048240).

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

28524307800 is a wasteful number, since it uses less digits than its factorization.

28524307800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47540532 (or 47540523 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The spelling of 28524307800 in words is "twenty-eight billion, five hundred twenty-four million, three hundred seven thousand, eight hundred".