13340440212424 has 32 divisors (see below), whose sum is σ = 26963353872000. Its totient is φ = 6151200190272.

The previous prime is 13340440212367. The next prime is 13340440212461. The reversal of 13340440212424 is 42421204404331.

It is a super-2 number, since 2×13340440212424² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13340440212424.

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, 61621234 + ... + 61837345.

It is an arithmetic number, because the mean of its divisors is an integer number (842604808500).

Almost surely, 2^{13340440212424} is an apocalyptic number.

It is an amenable number.

13340440212424 is an abundant number, since it is smaller than the sum of its proper divisors (13622913659576).

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

13340440212424 is a wasteful number, since it uses less digits than its factorization.

13340440212424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123459637 (or 123459633 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 13340440212424 its reverse (42421204404331), we get a palindrome (55761644616755).

The spelling of 13340440212424 in words is "thirteen trillion, three hundred forty billion, four hundred forty million, two hundred twelve thousand, four hundred twenty-four".