13144656016040 has 64 divisors (see below), whose sum is σ = 29588800824000. Its totient is φ = 5255494244352.

The previous prime is 13144656016007. The next prime is 13144656016067. The reversal of 13144656016040 is 4061065644131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1301574911 + ... + 1301585009.

It is an arithmetic number, because the mean of its divisors is an integer number (462325012875).

Almost surely, 2^{13144656016040} is an apocalyptic number.

13144656016040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13144656016040 is an abundant number, since it is smaller than the sum of its proper divisors (16444144807960).

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

13144656016040 is a wasteful number, since it uses less digits than its factorization.

13144656016040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21546 (or 21542 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 13144656016040 in words is "thirteen trillion, one hundred forty-four billion, six hundred fifty-six million, sixteen thousand, forty".