13022400144 has 80 divisors (see below), whose sum is σ = 37397717504. Its totient is φ = 3877632000.

The previous prime is 13022400143. The next prime is 13022400161. The reversal of 13022400144 is 44100422031.

It is a self number, because there is not a number n which added to its sum of digits gives 13022400144.

It is not an unprimeable number, because it can be changed into a prime (13022400143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317257 + ... + 355944.

Almost surely, 2^13022400144 is an apocalyptic number.

It is an amenable number.

13022400144 is an abundant number, since it is smaller than the sum of its proper divisors (24375317360).

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

13022400144 is a wasteful number, since it uses less digits than its factorization.

13022400144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673256 (or 673250 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 13022400144 its reverse (44100422031), we get a palindrome (57122822175).

The spelling of 13022400144 in words is "thirteen billion, twenty-two million, four hundred thousand, one hundred forty-four".