13313755044 has 36 divisors (see below), whose sum is σ = 33691401744. Its totient is φ = 4433014512.

The previous prime is 13313755043. The next prime is 13313755051. The reversal of 13313755044 is 44055731331.

13313755044 is a `hidden beast` number, since 1 + 3 + 31 + 37 + 550 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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 (13313755043) 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, 171222 + ... + 236525.

Almost surely, 2^13313755044 is an apocalyptic number.

It is an amenable number.

13313755044 is an abundant number, since it is smaller than the sum of its proper divisors (20377646700).

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

13313755044 is a wasteful number, since it uses less digits than its factorization.

13313755044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408664 (or 408659 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The spelling of 13313755044 in words is "thirteen billion, three hundred thirteen million, seven hundred fifty-five thousand, forty-four".