13044320244 has 96 divisors (see below), whose sum is σ = 35302579200. Its totient is φ = 4160471040.

The previous prime is 13044320239. The next prime is 13044320279. The reversal of 13044320244 is 44202344031.

It is a happy number.

13044320244 is a `hidden beast` number, since 13 + 0 + 443 + 202 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 276084 + ... + 319860.

It is an arithmetic number, because the mean of its divisors is an integer number (367735200).

Almost surely, 2^13044320244 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 13044320244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17651289600).

13044320244 is an abundant number, since it is smaller than the sum of its proper divisors (22258258956).

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

13044320244 is a wasteful number, since it uses less digits than its factorization.

13044320244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43910 (or 43902 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 13044320244 its reverse (44202344031), we get a palindrome (57246664275).

The spelling of 13044320244 in words is "thirteen billion, forty-four million, three hundred twenty thousand, two hundred forty-four".