13340445924 has 96 divisors (see below), whose sum is σ = 35212713984. Its totient is φ = 3900124800.

The previous prime is 13340445919. The next prime is 13340445953. The reversal of 13340445924 is 42954404331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 529477 + ... + 554099.

It is an arithmetic number, because the mean of its divisors is an integer number (366799104).

Almost surely, 2^13340445924 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13340445924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17606356992).

13340445924 is an abundant number, since it is smaller than the sum of its proper divisors (21872268060).

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

13340445924 is a wasteful number, since it uses less digits than its factorization.

13340445924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24817 (or 24815 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 13340445924 in words is "thirteen billion, three hundred forty million, four hundred forty-five thousand, nine hundred twenty-four".