13340445920 has 48 divisors (see below), whose sum is σ = 31591824768. Its totient is φ = 5323476480.

The previous prime is 13340445919. The next prime is 13340445953. The reversal of 13340445920 is 2954404331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31664 + ... + 166383.

It is an arithmetic number, because the mean of its divisors is an integer number (658163016).

Almost surely, 2^13340445920 is an apocalyptic number.

13340445920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13340445920 is an abundant number, since it is smaller than the sum of its proper divisors (18251378848).

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

13340445920 is a wasteful number, since it uses less digits than its factorization.

13340445920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198483 (or 198475 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 13340445920 in words is "thirteen billion, three hundred forty million, four hundred forty-five thousand, nine hundred twenty".