13340340420 has 96 divisors (see below), whose sum is σ = 42893383680. Its totient is φ = 3063807360.

The previous prime is 13340340371. The next prime is 13340340421. The reversal of 13340340420 is 2404304331.

It is not an unprimeable number, because it can be changed into a prime (13340340421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 519372 + ... + 544451.

It is an arithmetic number, because the mean of its divisors is an integer number (446806080).

Almost surely, 2^13340340420 is an apocalyptic number.

13340340420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13340340420 is an abundant number, since it is smaller than the sum of its proper divisors (29553043260).

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

13340340420 is a wasteful number, since it uses less digits than its factorization.

13340340420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063865 (or 1063863 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 13340340420 its reverse (2404304331), we get a palindrome (15744644751).

The spelling of 13340340420 in words is "thirteen billion, three hundred forty million, three hundred forty thousand, four hundred twenty".