22539998080 has 128 divisors (see below), whose sum is σ = 57165108480. Its totient is φ = 8469184512.

The previous prime is 22539998059. The next prime is 22539998113. The reversal of 22539998080 is 8089993522.

It is a tau number, because it is divible by the number of its divisors (128).

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, 6602454 + ... + 6605866.

It is an arithmetic number, because the mean of its divisors is an integer number (446602410).

Almost surely, 2^22539998080 is an apocalyptic number.

22539998080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22539998080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28582554240).

22539998080 is an abundant number, since it is smaller than the sum of its proper divisors (34625110400).

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

22539998080 is a wasteful number, since it uses less digits than its factorization.

22539998080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4056 (or 4044 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 55.

The spelling of 22539998080 in words is "twenty-two billion, five hundred thirty-nine million, nine hundred ninety-eight thousand, eighty".