40160042431 has 2 divisors, whose sum is σ = 40160042432. Its totient is φ = 40160042430.

The previous prime is 40160042407. The next prime is 40160042459. The reversal of 40160042431 is 13424006104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40160042431 - 2⁵ = 40160042399 is a prime.

It is a super-2 number, since 2×40160042431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40160042396 and 40160042405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40160042231) 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 as a sum of consecutive naturals, namely, 20080021215 + 20080021216.

It is an arithmetic number, because the mean of its divisors is an integer number (20080021216).

Almost surely, 2^40160042431 is an apocalyptic number.

40160042431 is a deficient number, since it is larger than the sum of its proper divisors (1).

40160042431 is an equidigital number, since it uses as much as digits as its factorization.

40160042431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 40160042431 its reverse (13424006104), we get a palindrome (53584048535).

The spelling of 40160042431 in words is "forty billion, one hundred sixty million, forty-two thousand, four hundred thirty-one".