13440345245 has 8 divisors (see below), whose sum is σ = 16129987584. Its totient is φ = 10751227344.

The previous prime is 13440345241. The next prime is 13440345263. The reversal of 13440345245 is 54254304431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13440345245 - 2² = 13440345241 is a prime.

It is a super-2 number, since 2×13440345245² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13440345241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72329 + ... + 179198.

It is an arithmetic number, because the mean of its divisors is an integer number (2016248448).

Almost surely, 2^13440345245 is an apocalyptic number.

It is an amenable number.

13440345245 is a deficient number, since it is larger than the sum of its proper divisors (2689642339).

13440345245 is a wasteful number, since it uses less digits than its factorization.

13440345245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262219.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 13440345245 its reverse (54254304431), we get a palindrome (67694649676).

The spelling of 13440345245 in words is "thirteen billion, four hundred forty million, three hundred forty-five thousand, two hundred forty-five".