40131243440001 has 24 divisors (see below), whose sum is σ = 66754114874304. Its totient is φ = 22757084606880.

The previous prime is 40131243439999. The next prime is 40131243440017. The reversal of 40131243440001 is 10004434213104.

40131243440001 is a `hidden beast` number, since 4 + 0 + 1 + 312 + 4 + 344 + 0 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 40131243440001 - 2¹ = 40131243439999 is a prime.

It is a super-2 number, since 2×40131243440001² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40131243442001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2431304206 + ... + 2431320711.

It is an arithmetic number, because the mean of its divisors is an integer number (2781421453096).

Almost surely, 2^{40131243440001} is an apocalyptic number.

It is an amenable number.

40131243440001 is a deficient number, since it is larger than the sum of its proper divisors (26622871434303).

40131243440001 is a wasteful number, since it uses less digits than its factorization.

40131243440001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4862625061 (or 4862625058 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 40131243440001 its reverse (10004434213104), we get a palindrome (50135677653105).

The spelling of 40131243440001 in words is "forty trillion, one hundred thirty-one billion, two hundred forty-three million, four hundred forty thousand, one".