140440404131312 has 20 divisors (see below), whose sum is σ = 272925347313816. Its totient is φ = 70008056437440.

The previous prime is 140440404131273. The next prime is 140440404131317. The reversal of 140440404131312 is 213131404044041.

It is a super-2 number, since 2×140440404131312² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140440404131317) 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, 13259096303 + ... + 13259106894.

Almost surely, 2^{140440404131312} is an apocalyptic number.

It is an amenable number.

140440404131312 is a deficient number, since it is larger than the sum of its proper divisors (132484943182504).

140440404131312 is a wasteful number, since it uses less digits than its factorization.

140440404131312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26518203536 (or 26518203530 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 140440404131312 its reverse (213131404044041), we get a palindrome (353571808175353).

The spelling of 140440404131312 in words is "one hundred forty trillion, four hundred forty billion, four hundred four million, one hundred thirty-one thousand, three hundred twelve".