13456040232 has 16 divisors (see below), whose sum is σ = 33640100640. Its totient is φ = 4485346736.

The previous prime is 13456040173. The next prime is 13456040237. The reversal of 13456040232 is 23204065431.

It is a super-2 number, since 2×13456040232² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13456040232.

It is not an unprimeable number, because it can be changed into a prime (13456040237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280334148 + ... + 280334195.

It is an arithmetic number, because the mean of its divisors is an integer number (2102506290).

Almost surely, 2^13456040232 is an apocalyptic number.

13456040232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13456040232 is an abundant number, since it is smaller than the sum of its proper divisors (20184060408).

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

13456040232 is a wasteful number, since it uses less digits than its factorization.

13456040232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560668352 (or 560668348 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The spelling of 13456040232 in words is "thirteen billion, four hundred fifty-six million, forty thousand, two hundred thirty-two".