22539380680 has 16 divisors (see below), whose sum is σ = 50713606620. Its totient is φ = 9015752256.

The previous prime is 22539380663. The next prime is 22539380737. The reversal of 22539380680 is 8608393522.

It can be written as a sum of positive squares in 2 ways, for example, as 20697425956 + 1841954724 = 143866^2 + 42918^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22539380680.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281742219 + ... + 281742298.

Almost surely, 2^22539380680 is an apocalyptic number.

22539380680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22539380680 is an abundant number, since it is smaller than the sum of its proper divisors (28174225940).

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

22539380680 is a wasteful number, since it uses less digits than its factorization.

22539380680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563484528 (or 563484524 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 22539380680 in words is "twenty-two billion, five hundred thirty-nine million, three hundred eighty thousand, six hundred eighty".