13440243314144 has 48 divisors (see below), whose sum is σ = 26583477334848. Its totient is φ = 6688923451392.

The previous prime is 13440243314119. The next prime is 13440243314153. The reversal of 13440243314144 is 44141334204431.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13440243314098 and 13440243314107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10297472 + ... + 11529024.

It is an arithmetic number, because the mean of its divisors is an integer number (553822444476).

Almost surely, 2^{13440243314144} is an apocalyptic number.

It is an amenable number.

13440243314144 is a deficient number, since it is larger than the sum of its proper divisors (13143234020704).

13440243314144 is a wasteful number, since it uses less digits than its factorization.

13440243314144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233147 (or 1233139 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 38.

Adding to 13440243314144 its reverse (44141334204431), we get a palindrome (57581577518575).

The spelling of 13440243314144 in words is "thirteen trillion, four hundred forty billion, two hundred forty-three million, three hundred fourteen thousand, one hundred forty-four".