13997808432 has 60 divisors (see below), whose sum is σ = 41478807240. Its totient is φ = 4391468544.

The previous prime is 13997808431. The next prime is 13997808437. The reversal of 13997808432 is 23480879931.

13997808432 is a `hidden beast` number, since 139 + 9 + 78 + 0 + 8 + 432 = 666.

It is not an unprimeable number, because it can be changed into a prime (13997808431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2856582 + ... + 2861477.

It is an arithmetic number, because the mean of its divisors is an integer number (691313454).

Almost surely, 2^13997808432 is an apocalyptic number.

13997808432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13997808432 is an abundant number, since it is smaller than the sum of its proper divisors (27480998808).

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

13997808432 is a wasteful number, since it uses less digits than its factorization.

13997808432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5718090 (or 5718081 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 13997808432 in words is "thirteen billion, nine hundred ninety-seven million, eight hundred eight thousand, four hundred thirty-two".