14313231566440 has 16 divisors (see below), whose sum is σ = 32204771024580. Its totient is φ = 5725292626560.

The previous prime is 14313231566411. The next prime is 14313231566443. The reversal of 14313231566440 is 4466513231341.

It can be written as a sum of positive squares in 2 ways, for example, as 12986408639556 + 1326822926884 = 3603666^2 + 1151878^2 .

It is a super-2 number, since 2×14313231566440² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14313231566443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178915394541 + ... + 178915394620.

Almost surely, 2^{14313231566440} is an apocalyptic number.

14313231566440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14313231566440 is an abundant number, since it is smaller than the sum of its proper divisors (17891539458140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14313231566440 is a wasteful number, since it uses less digits than its factorization.

14313231566440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357830789172 (or 357830789168 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 43.

Adding to 14313231566440 its reverse (4466513231341), we get a palindrome (18779744797781).

The spelling of 14313231566440 in words is "fourteen trillion, three hundred thirteen billion, two hundred thirty-one million, five hundred sixty-six thousand, four hundred forty".