13340454544 has 20 divisors (see below), whose sum is σ = 26158544496. Its totient is φ = 6589862432.

The previous prime is 13340454539. The next prime is 13340454551. The reversal of 13340454544 is 44545404331.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5021434 + ... + 5024089.

Almost surely, 2^13340454544 is an apocalyptic number.

It is an amenable number.

13340454544 is a deficient number, since it is larger than the sum of its proper divisors (12818089952).

13340454544 is a wasteful number, since it uses less digits than its factorization.

13340454544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10045614 (or 10045608 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 13340454544 its reverse (44545404331), we get a palindrome (57885858875).

The spelling of 13340454544 in words is "thirteen billion, three hundred forty million, four hundred fifty-four thousand, five hundred forty-four".