40140332131 has 16 divisors (see below), whose sum is σ = 41685513408. Its totient is φ = 38625088000.

The previous prime is 40140332123. The next prime is 40140332149. The reversal of 40140332131 is 13123304104.

It is a cyclic number.

It is not a de Polignac number, because 40140332131 - 2³ = 40140332123 is a prime.

It is a super-2 number, since 2×40140332131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40140332431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1070655 + ... + 1107511.

It is an arithmetic number, because the mean of its divisors is an integer number (2605344588).

Almost surely, 2^40140332131 is an apocalyptic number.

40140332131 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

40140332131 is a deficient number, since it is larger than the sum of its proper divisors (1545181277).

40140332131 is a wasteful number, since it uses less digits than its factorization.

40140332131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37262.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 40140332131 its reverse (13123304104), we get a palindrome (53263636235).

The spelling of 40140332131 in words is "forty billion, one hundred forty million, three hundred thirty-two thousand, one hundred thirty-one".