13444454568 has 32 divisors (see below), whose sum is σ = 35380144800. Its totient is φ = 4245617088.

The previous prime is 13444454563. The next prime is 13444454591. The reversal of 13444454568 is 86545444431.

It is not an unprimeable number, because it can be changed into a prime (13444454561) by changing a digit.

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, 14741271 + ... + 14742182.

It is an arithmetic number, because the mean of its divisors is an integer number (1105629525).

Almost surely, 2^13444454568 is an apocalyptic number.

It is an amenable number.

13444454568 is an abundant number, since it is smaller than the sum of its proper divisors (21935690232).

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

13444454568 is a wasteful number, since it uses less digits than its factorization.

13444454568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29483481 (or 29483477 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 48.

Adding to 13444454568 its reverse (86545444431), we get a palindrome (99989898999).

The spelling of 13444454568 in words is "thirteen billion, four hundred forty-four million, four hundred fifty-four thousand, five hundred sixty-eight".