28244412288 has 160 divisors (see below), whose sum is σ = 84616258320. Its totient is φ = 9351936000.

The previous prime is 28244412107. The next prime is 28244412319. The reversal of 28244412288 is 88221444282.

28244412288 is a `hidden beast` number, since 2 + 8 + 2 + 444 + 122 + 88 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1556548 + ... + 1574588.

Almost surely, 2^28244412288 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 28244412288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42308129160).

28244412288 is an abundant number, since it is smaller than the sum of its proper divisors (56371846032).

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

28244412288 is a wasteful number, since it uses less digits than its factorization.

28244412288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18218 (or 18197 counting only the distinct ones).

The product of its digits is 524288, while the sum is 45.

The spelling of 28244412288 in words is "twenty-eight billion, two hundred forty-four million, four hundred twelve thousand, two hundred eighty-eight".