13301440103440 has 20 divisors (see below), whose sum is σ = 30925848240684. Its totient is φ = 5320576041344.

The previous prime is 13301440103387. The next prime is 13301440103443. The reversal of 13301440103440 is 4430104410331.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4106572555024 + 9194867548416 = 2026468^2 + 3032304^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 13301440103399 and 13301440103408.

It is not an unprimeable number, because it can be changed into a prime (13301440103443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83134000567 + ... + 83134000726.

Almost surely, 2^{13301440103440} is an apocalyptic number.

13301440103440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13301440103440 is an abundant number, since it is smaller than the sum of its proper divisors (17624408137244).

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

13301440103440 is a wasteful number, since it uses less digits than its factorization.

13301440103440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166268001306 (or 166268001300 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 13301440103440 its reverse (4430104410331), we get a palindrome (17731544513771).

The spelling of 13301440103440 in words is "thirteen trillion, three hundred one billion, four hundred forty million, one hundred three thousand, four hundred forty".