28547038524 has 72 divisors (see below), whose sum is σ = 70272275920. Its totient is φ = 9018231552.

The previous prime is 28547038523. The next prime is 28547038543. The reversal of 28547038524 is 42583074582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28547038523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 671304 + ... + 712560.

Almost surely, 2^28547038524 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 28547038524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35136137960).

28547038524 is an abundant number, since it is smaller than the sum of its proper divisors (41725237396).

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

28547038524 is a wasteful number, since it uses less digits than its factorization.

28547038524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41419 (or 41394 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 48.

The spelling of 28547038524 in words is "twenty-eight billion, five hundred forty-seven million, thirty-eight thousand, five hundred twenty-four".