13144433424 has 20 divisors (see below), whose sum is σ = 33956453136. Its totient is φ = 4381477792.

The previous prime is 13144433317. The next prime is 13144433437. The reversal of 13144433424 is 42433444131.

It is a super-2 number, since 2×13144433424² (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136921134 + ... + 136921229.

Almost surely, 2^13144433424 is an apocalyptic number.

It is an amenable number.

13144433424 is an abundant number, since it is smaller than the sum of its proper divisors (20812019712).

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

13144433424 is a wasteful number, since it uses less digits than its factorization.

13144433424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273842374 (or 273842368 counting only the distinct ones).

The product of its digits is 55296, while the sum is 33.

Adding to 13144433424 its reverse (42433444131), we get a palindrome (55577877555).

The spelling of 13144433424 in words is "thirteen billion, one hundred forty-four million, four hundred thirty-three thousand, four hundred twenty-four".