13340344444240 has 40 divisors (see below), whose sum is σ = 33835964547168. Its totient is φ = 4851034343040.

The previous prime is 13340344444211. The next prime is 13340344444249. The reversal of 13340344444240 is 4244444304331.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 13340344444193 and 13340344444202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13340344444249) 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 7 ways as a sum of consecutive naturals, for example, 7579740282 + ... + 7579742041.

Almost surely, 2^{13340344444240} is an apocalyptic number.

13340344444240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13340344444240 is an abundant number, since it is smaller than the sum of its proper divisors (20495620102928).

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

13340344444240 is a wasteful number, since it uses less digits than its factorization.

13340344444240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15159482347 (or 15159482341 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 40.

Adding to 13340344444240 its reverse (4244444304331), we get a palindrome (17584788748571).

The spelling of 13340344444240 in words is "thirteen trillion, three hundred forty billion, three hundred forty-four million, four hundred forty-four thousand, two hundred forty".