13443244144 has 40 divisors (see below), whose sum is σ = 28421002368. Its totient is φ = 6109087680.

The previous prime is 13443244109. The next prime is 13443244159. The reversal of 13443244144 is 44144234431.

It is a congruent number.

It is an unprimeable number.

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, 1093359 + ... + 1105585.

Almost surely, 2^13443244144 is an apocalyptic number.

It is an amenable number.

13443244144 is an abundant number, since it is smaller than the sum of its proper divisors (14977758224).

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

13443244144 is a wasteful number, since it uses less digits than its factorization.

13443244144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18493 (or 18487 counting only the distinct ones).

The product of its digits is 73728, while the sum is 34.

Adding to 13443244144 its reverse (44144234431), we get a palindrome (57587478575).

The spelling of 13443244144 in words is "thirteen billion, four hundred forty-three million, two hundred forty-four thousand, one hundred forty-four".