13045144944 has 160 divisors (see below), whose sum is σ = 38419763200. Its totient is φ = 3781002240.

The previous prime is 13045144933. The next prime is 13045144969. The reversal of 13045144944 is 44944154031.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2142897 + ... + 2148975.

It is an arithmetic number, because the mean of its divisors is an integer number (240123520).

Almost surely, 2^13045144944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13045144944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19209881600).

13045144944 is an abundant number, since it is smaller than the sum of its proper divisors (25374618256).

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

13045144944 is a wasteful number, since it uses less digits than its factorization.

13045144944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6303 (or 6297 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

Adding to 13045144944 its reverse (44944154031), we get a palindrome (57989298975).

The spelling of 13045144944 in words is "thirteen billion, forty-five million, one hundred forty-four thousand, nine hundred forty-four".