13385286432 has 72 divisors (see below), whose sum is σ = 43502187456. Its totient is φ = 3824366976.

The previous prime is 13385286403. The next prime is 13385286461. The reversal of 13385286432 is 23468258331.

13385286432 is a `hidden beast` number, since 1 + 3 + 38 + 528 + 64 + 32 = 666.

It is an interprime number because it is at equal distance from previous prime (13385286403) and next prime (13385286461).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3317748 + ... + 3321779.

It is an arithmetic number, because the mean of its divisors is an integer number (604197048).

Almost surely, 2^13385286432 is an apocalyptic number.

13385286432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13385286432 is an abundant number, since it is smaller than the sum of its proper divisors (30116901024).

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

13385286432 is a wasteful number, since it uses less digits than its factorization.

13385286432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6639550 (or 6639539 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The spelling of 13385286432 in words is "thirteen billion, three hundred eighty-five million, two hundred eighty-six thousand, four hundred thirty-two".