13140424031444 has 48 divisors (see below), whose sum is σ = 23113154932560. Its totient is φ = 6536765276160.

The previous prime is 13140424031443. The next prime is 13140424031453. The reversal of 13140424031444 is 44413042404131.

It can be written as a sum of positive squares in 8 ways, for example, as 2431416490000 + 10709007541444 = 1559300^2 + 3272462^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13140424031443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2727924524 + ... + 2727929340.

It is an arithmetic number, because the mean of its divisors is an integer number (481524061095).

Almost surely, 2^{13140424031444} is an apocalyptic number.

It is an amenable number.

13140424031444 is a deficient number, since it is larger than the sum of its proper divisors (9972730901116).

13140424031444 is a wasteful number, since it uses less digits than its factorization.

13140424031444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9308 (or 9306 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 13140424031444 its reverse (44413042404131), we get a palindrome (57553466435575).

The spelling of 13140424031444 in words is "thirteen trillion, one hundred forty billion, four hundred twenty-four million, thirty-one thousand, four hundred forty-four".