13299286940544 has 128 divisors (see below), whose sum is σ = 38654138655360. Its totient is φ = 4017911040000.

The previous prime is 13299286940539. The next prime is 13299286940567. The reversal of 13299286940544 is 44504968299231.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent 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, 3357907 + ... + 6154194.

It is an arithmetic number, because the mean of its divisors is an integer number (301985458245).

Almost surely, 2^{13299286940544} is an apocalyptic number.

It is an amenable number.

13299286940544 is an abundant number, since it is smaller than the sum of its proper divisors (25354851714816).

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

13299286940544 is a wasteful number, since it uses less digits than its factorization.

13299286940544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9512460 (or 9512448 counting only the distinct ones).

The product of its (nonzero) digits is 134369280, while the sum is 66.

The spelling of 13299286940544 in words is "thirteen trillion, two hundred ninety-nine billion, two hundred eighty-six million, nine hundred forty thousand, five hundred forty-four".