12431444150040 has 128 divisors (see below), whose sum is σ = 37807628126400. Its totient is φ = 3269431296000.

The previous prime is 12431444150003. The next prime is 12431444150063. The reversal of 12431444150040 is 4005144413421.

It is a junction number, because it is equal to n+sod(n) for n = 12431444149983 and 12431444150010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 176294790 + ... + 176365290.

Almost surely, 2^{12431444150040} is an apocalyptic number.

12431444150040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12431444150040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18903814063200).

12431444150040 is an abundant number, since it is smaller than the sum of its proper divisors (25376183976360).

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

12431444150040 is a wasteful number, since it uses less digits than its factorization.

12431444150040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90717 (or 90713 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

Adding to 12431444150040 its reverse (4005144413421), we get a palindrome (16436588563461).

The spelling of 12431444150040 in words is "twelve trillion, four hundred thirty-one billion, four hundred forty-four million, one hundred fifty thousand, forty".