13340421696 has 336 divisors, whose sum is σ = 43781472000. Its totient is φ = 3562094592.

The previous prime is 13340421643. The next prime is 13340421697. The reversal of 13340421696 is 69612404331.

It is a tau number, because it is divible by the number of its divisors (336).

It is not an unprimeable number, because it can be changed into a prime (13340421697) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38224530 + ... + 38224878.

It is an arithmetic number, because the mean of its divisors is an integer number (130302000).

Almost surely, 2^13340421696 is an apocalyptic number.

13340421696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13340421696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21890736000).

13340421696 is an abundant number, since it is smaller than the sum of its proper divisors (30441050304).

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

13340421696 is a wasteful number, since it uses less digits than its factorization.

13340421696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The spelling of 13340421696 in words is "thirteen billion, three hundred forty million, four hundred twenty-one thousand, six hundred ninety-six".