12440677871431 has 8 divisors (see below), whose sum is σ = 13517884275200. Its totient is φ = 11405714856120.

The previous prime is 12440677871429. The next prime is 12440677871437. The reversal of 12440677871431 is 13417877604421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12440677871431 - 2¹ = 12440677871429 is a prime.

It is a super-2 number, since 2×12440677871431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12440677871437) 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, 10560846501 + ... + 10560847678.

It is an arithmetic number, because the mean of its divisors is an integer number (1689735534400).

Almost surely, 2^{12440677871431} is an apocalyptic number.

12440677871431 is a deficient number, since it is larger than the sum of its proper divisors (1077206403769).

12440677871431 is a wasteful number, since it uses less digits than its factorization.

12440677871431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21121694229.

The product of its (nonzero) digits is 6322176, while the sum is 55.

The spelling of 12440677871431 in words is "twelve trillion, four hundred forty billion, six hundred seventy-seven million, eight hundred seventy-one thousand, four hundred thirty-one".