13004540444 has 24 divisors (see below), whose sum is σ = 26338314240. Its totient is φ = 5502824496.

The previous prime is 13004540429. The next prime is 13004540447. The reversal of 13004540444 is 44404540031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13004540447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2937332 + ... + 2941755.

It is an arithmetic number, because the mean of its divisors is an integer number (1097429760).

Almost surely, 2^13004540444 is an apocalyptic number.

13004540444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13004540444 is an abundant number, since it is smaller than the sum of its proper divisors (13333773796).

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

13004540444 is a wasteful number, since it uses less digits than its factorization.

13004540444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5879177 (or 5879175 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The spelling of 13004540444 in words is "thirteen billion, four million, five hundred forty thousand, four hundred forty-four".