13044655632 has 20 divisors (see below), whose sum is σ = 33698693840. Its totient is φ = 4348218528.

The previous prime is 13044655621. The next prime is 13044655639. The reversal of 13044655632 is 23655644031.

It is not an unprimeable number, because it can be changed into a prime (13044655639) 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, 135881782 + ... + 135881877.

It is an arithmetic number, because the mean of its divisors is an integer number (1684934692).

Almost surely, 2^13044655632 is an apocalyptic number.

13044655632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13044655632 is an abundant number, since it is smaller than the sum of its proper divisors (20654038208).

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

13044655632 is a wasteful number, since it uses less digits than its factorization.

13044655632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271763670 (or 271763664 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 13044655632 in words is "thirteen billion, forty-four million, six hundred fifty-five thousand, six hundred thirty-two".