13444324432 has 240 divisors, whose sum is σ = 34625283840. Its totient is φ = 4995379200.

The previous prime is 13444324417. The next prime is 13444324441. The reversal of 13444324432 is 23442344431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16618044 + ... + 16618852.

It is an arithmetic number, because the mean of its divisors is an integer number (144272016).

Almost surely, 2^13444324432 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 13444324432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17312641920).

13444324432 is an abundant number, since it is smaller than the sum of its proper divisors (21180959408).

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

13444324432 is a wasteful number, since it uses less digits than its factorization.

13444324432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930 (or 917 counting only the distinct ones).

The product of its digits is 110592, while the sum is 34.

Adding to 13444324432 its reverse (23442344431), we get a palindrome (36886668863).

The spelling of 13444324432 in words is "thirteen billion, four hundred forty-four million, three hundred twenty-four thousand, four hundred thirty-two".