13344445680 has 80 divisors (see below), whose sum is σ = 41401126944. Its totient is φ = 3555650560.

The previous prime is 13344445679. The next prime is 13344445703. The reversal of 13344445680 is 8654444331.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 284710 + ... + 328250.

Almost surely, 2^13344445680 is an apocalyptic number.

13344445680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13344445680 is an abundant number, since it is smaller than the sum of its proper divisors (28056681264).

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

13344445680 is a wasteful number, since it uses less digits than its factorization.

13344445680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44834 (or 44828 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 13344445680 in words is "thirteen billion, three hundred forty-four million, four hundred forty-five thousand, six hundred eighty".