13090914432 has 72 divisors (see below), whose sum is σ = 37681648095. Its totient is φ = 4362343680.

The previous prime is 13090914409. The next prime is 13090914433. The reversal of 13090914432 is 23441909031.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

13090914432 is a `hidden beast` number, since 130 + 9 + 0 + 91 + 4 + 432 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6545457216 + 6545457216 = 80904^2 + 80904^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=80904.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (13090914433) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3881707 + ... + 3885077.

Almost surely, 2^13090914432 is an apocalyptic number.

13090914432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13090914432 is an abundant number, since it is smaller than the sum of its proper divisors (24590733663).

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

13090914432 is an frugal number, since it uses more digits than its factorization.

13090914432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6762 (or 3376 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

Multiplying 13090914432 by its product of nonzero digits (23328), we get a square (305384851869696 = 17475264²).

The spelling of 13090914432 in words is "thirteen billion, ninety million, nine hundred fourteen thousand, four hundred thirty-two".