28524478542 has 32 divisors (see below), whose sum is σ = 66303878400. Its totient is φ = 8011717248.

The previous prime is 28524478523. The next prime is 28524478613. The reversal of 28524478542 is 24587442582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5753067 + ... + 5758022.

It is an arithmetic number, because the mean of its divisors is an integer number (2071996200).

Almost surely, 2^28524478542 is an apocalyptic number.

28524478542 is an abundant number, since it is smaller than the sum of its proper divisors (37779399858).

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

28524478542 is a wasteful number, since it uses less digits than its factorization.

28524478542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11511160.

The product of its digits is 5734400, while the sum is 51.

The spelling of 28524478542 in words is "twenty-eight billion, five hundred twenty-four million, four hundred seventy-eight thousand, five hundred forty-two".