13568440120 has 16 divisors (see below), whose sum is σ = 30528990360. Its totient is φ = 5427376032.

The previous prime is 13568440111. The next prime is 13568440169. The reversal of 13568440120 is 2104486531.

It is a super-2 number, since 2×13568440120² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 169605462 + ... + 169605541.

Almost surely, 2^13568440120 is an apocalyptic number.

13568440120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13568440120 is an abundant number, since it is smaller than the sum of its proper divisors (16960550240).

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

13568440120 is a wasteful number, since it uses less digits than its factorization.

13568440120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339211014 (or 339211010 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 13568440120 in words is "thirteen billion, five hundred sixty-eight million, four hundred forty thousand, one hundred twenty".