13044444144 has 80 divisors (see below), whose sum is σ = 33896163840. Its totient is φ = 4322672640.

The previous prime is 13044444143. The next prime is 13044444157. The reversal of 13044444144 is 44144444031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13044444143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10596009 + ... + 10597239.

It is an arithmetic number, because the mean of its divisors is an integer number (423702048).

Almost surely, 2^13044444144 is an apocalyptic number.

It is an amenable number.

13044444144 is an abundant number, since it is smaller than the sum of its proper divisors (20851719696).

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

13044444144 is a wasteful number, since it uses less digits than its factorization.

13044444144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2358 (or 2352 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 13044444144 its reverse (44144444031), we get a palindrome (57188888175).

The spelling of 13044444144 in words is "thirteen billion, forty-four million, four hundred forty-four thousand, one hundred forty-four".