13240159992 has 64 divisors (see below), whose sum is σ = 36940377600. Its totient is φ = 4393928160.

The previous prime is 13240159981. The next prime is 13240160023. The reversal of 13240159992 is 29995104231.

13240159992 is a `hidden beast` number, since 13 + 2 + 40 + 1 + 599 + 9 + 2 = 666.

It is a super-2 number, since 2×13240159992² (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 15 ways as a sum of consecutive naturals, for example, 85984 + ... + 184047.

It is an arithmetic number, because the mean of its divisors is an integer number (577193400).

Almost surely, 2^13240159992 is an apocalyptic number.

13240159992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13240159992 is an abundant number, since it is smaller than the sum of its proper divisors (23700217608).

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

13240159992 is a wasteful number, since it uses less digits than its factorization.

13240159992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270273 (or 270263 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The spelling of 13240159992 in words is "thirteen billion, two hundred forty million, one hundred fifty-nine thousand, nine hundred ninety-two".