13440811368 has 64 divisors (see below), whose sum is σ = 33732054720. Its totient is φ = 4462976000.

The previous prime is 13440811367. The next prime is 13440811381. The reversal of 13440811368 is 86311804431.

It is not an unprimeable number, because it can be changed into a prime (13440811361) 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, 9875008 + ... + 9876368.

It is an arithmetic number, because the mean of its divisors is an integer number (527063355).

Almost surely, 2^13440811368 is an apocalyptic number.

It is an amenable number.

13440811368 is an abundant number, since it is smaller than the sum of its proper divisors (20291243352).

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

13440811368 is a wasteful number, since it uses less digits than its factorization.

13440811368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2658 (or 2654 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 13440811368 in words is "thirteen billion, four hundred forty million, eight hundred eleven thousand, three hundred sixty-eight".