13440244165112 has 32 divisors (see below), whose sum is σ = 26590107600000. Its totient is φ = 6351237069408.

The previous prime is 13440244165091. The next prime is 13440244165123. The reversal of 13440244165112 is 21156144204431.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

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, 105452612 + ... + 105579987.

It is an arithmetic number, because the mean of its divisors is an integer number (830940862500).

Almost surely, 2^{13440244165112} is an apocalyptic number.

It is an amenable number.

13440244165112 is a deficient number, since it is larger than the sum of its proper divisors (13149863434888).

13440244165112 is a wasteful number, since it uses less digits than its factorization.

13440244165112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211033043 (or 211033039 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

Adding to 13440244165112 its reverse (21156144204431), we get a palindrome (34596388369543).

The spelling of 13440244165112 in words is "thirteen trillion, four hundred forty billion, two hundred forty-four million, one hundred sixty-five thousand, one hundred twelve".