13440668716486 has 32 divisors (see below), whose sum is σ = 23518145867040. Its totient is φ = 5693087808000.

The previous prime is 13440668716441. The next prime is 13440668716499. The reversal of 13440668716486 is 68461786604431.

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, 177871221 + ... + 177946768.

It is an arithmetic number, because the mean of its divisors is an integer number (734942058345).

Almost surely, 2^{13440668716486} is an apocalyptic number.

13440668716486 is a deficient number, since it is larger than the sum of its proper divisors (10077477150554).

13440668716486 is a wasteful number, since it uses less digits than its factorization.

13440668716486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355818120.

The product of its (nonzero) digits is 111476736, while the sum is 64.

The spelling of 13440668716486 in words is "thirteen trillion, four hundred forty billion, six hundred sixty-eight million, seven hundred sixteen thousand, four hundred eighty-six".