13288443344 has 40 divisors (see below), whose sum is σ = 28094734560. Its totient is φ = 6038524800.

The previous prime is 13288443299. The next prime is 13288443347. The reversal of 13288443344 is 44334488231.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 13288443295 and 13288443304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13288443347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 805127 + ... + 821465.

It is an arithmetic number, because the mean of its divisors is an integer number (702368364).

Almost surely, 2^13288443344 is an apocalyptic number.

It is an amenable number.

13288443344 is an abundant number, since it is smaller than the sum of its proper divisors (14806291216).

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

13288443344 is a wasteful number, since it uses less digits than its factorization.

13288443344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20979 (or 20973 counting only the distinct ones).

The product of its digits is 884736, while the sum is 44.

The spelling of 13288443344 in words is "thirteen billion, two hundred eighty-eight million, four hundred forty-three thousand, three hundred forty-four".