22809598440 has 32 divisors (see below), whose sum is σ = 68428795680. Its totient is φ = 6082559552.

The previous prime is 22809598391. The next prime is 22809598457. The reversal of 22809598440 is 4489590822.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95039874 + ... + 95040113.

It is an arithmetic number, because the mean of its divisors is an integer number (2138399865).

Almost surely, 2^22809598440 is an apocalyptic number.

22809598440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22809598440 is an abundant number, since it is smaller than the sum of its proper divisors (45619197240).

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

22809598440 is a wasteful number, since it uses less digits than its factorization.

22809598440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190080001 (or 190079997 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 51.

The spelling of 22809598440 in words is "twenty-two billion, eight hundred nine million, five hundred ninety-eight thousand, four hundred forty".