13340440113021 has 48 divisors (see below), whose sum is σ = 22360569282688. Its totient is φ = 7506117590400.

The previous prime is 13340440112941. The next prime is 13340440113053. The reversal of 13340440113021 is 12031104404331.

13340440113021 is a `hidden beast` number, since 1 + 3 + 340 + 4 + 4 + 0 + 11 + 302 + 1 = 666.

It is not a de Polignac number, because 13340440113021 - 2⁹ = 13340440112509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13340440115021) 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, 9206331 + ... + 10556391.

Almost surely, 2^{13340440113021} is an apocalyptic number.

It is an amenable number.

13340440113021 is a deficient number, since it is larger than the sum of its proper divisors (9020129169667).

13340440113021 is a wasteful number, since it uses less digits than its factorization.

13340440113021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352482 (or 1352479 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 13340440113021 its reverse (12031104404331), we get a palindrome (25371544517352).

The spelling of 13340440113021 in words is "thirteen trillion, three hundred forty billion, four hundred forty million, one hundred thirteen thousand, twenty-one".