13320244144438 has 16 divisors (see below), whose sum is σ = 24910586452224. Its totient is φ = 5189705510760.

The previous prime is 13320244144423. The next prime is 13320244144439. The reversal of 13320244144438 is 83444144202331.

It is a junction number, because it is equal to n+sod(n) for n = 13320244144394 and 13320244144403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13320244144439) by changing a digit.

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, 43247545770 + ... + 43247546077.

It is an arithmetic number, because the mean of its divisors is an integer number (1556911653264).

Almost surely, 2^{13320244144438} is an apocalyptic number.

13320244144438 is a deficient number, since it is larger than the sum of its proper divisors (11590342307786).

13320244144438 is a wasteful number, since it uses less digits than its factorization.

13320244144438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86495091867.

The product of its (nonzero) digits is 884736, while the sum is 43.

Adding to 13320244144438 its reverse (83444144202331), we get a palindrome (96764388346769).

The spelling of 13320244144438 in words is "thirteen trillion, three hundred twenty billion, two hundred forty-four million, one hundred forty-four thousand, four hundred thirty-eight".