13440313105424 has 20 divisors (see below), whose sum is σ = 26744406822444. Its totient is φ = 6538530699648.

The previous prime is 13440313105423. The next prime is 13440313105493. The reversal of 13440313105424 is 42450131304431.

It can be written as a sum of positive squares in 2 ways, for example, as 6260164129024 + 7180148976400 = 2502032^2 + 2679580^2 .

It is not an unprimeable number, because it can be changed into a prime (13440313105423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11351615207 + ... + 11351616390.

Almost surely, 2^{13440313105424} is an apocalyptic number.

It is an amenable number.

13440313105424 is a deficient number, since it is larger than the sum of its proper divisors (13304093717020).

13440313105424 is a wasteful number, since it uses less digits than its factorization.

13440313105424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22703231642 (or 22703231636 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 13440313105424 its reverse (42450131304431), we get a palindrome (55890444409855).

The spelling of 13440313105424 in words is "thirteen trillion, four hundred forty billion, three hundred thirteen million, one hundred five thousand, four hundred twenty-four".