13444541968 has 80 divisors (see below), whose sum is σ = 32213563200. Its totient is φ = 5344151040.

The previous prime is 13444541951. The next prime is 13444541983. The reversal of 13444541968 is 86914544431.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111163 + ... + 198106.

It is an arithmetic number, because the mean of its divisors is an integer number (402669540).

Almost surely, 2^13444541968 is an apocalyptic number.

It is an amenable number.

13444541968 is an abundant number, since it is smaller than the sum of its proper divisors (18769021232).

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

13444541968 is a wasteful number, since it uses less digits than its factorization.

13444541968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309320 (or 309314 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 49.

The spelling of 13444541968 in words is "thirteen billion, four hundred forty-four million, five hundred forty-one thousand, nine hundred sixty-eight".