13144420335532 has 24 divisors (see below), whose sum is σ = 23393560780800. Its totient is φ = 6460554858576.

The previous prime is 13144420335523. The next prime is 13144420335569. The reversal of 13144420335532 is 23553302444131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4770069 + ... + 7003027.

It is an arithmetic number, because the mean of its divisors is an integer number (974731699200).

Almost surely, 2^{13144420335532} is an apocalyptic number.

It is an amenable number.

13144420335532 is a deficient number, since it is larger than the sum of its proper divisors (10249140445268).

13144420335532 is a wasteful number, since it uses less digits than its factorization.

13144420335532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257965 (or 2257963 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 40.

Adding to 13144420335532 its reverse (23553302444131), we get a palindrome (36697722779663).

The spelling of 13144420335532 in words is "thirteen trillion, one hundred forty-four billion, four hundred twenty million, three hundred thirty-five thousand, five hundred thirty-two".