40433411231 has 2 divisors, whose sum is σ = 40433411232. Its totient is φ = 40433411230.

The previous prime is 40433411219. The next prime is 40433411233. The reversal of 40433411231 is 13211433404.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40433411231 - 2¹⁰ = 40433410207 is a prime.

It is a super-2 number, since 2×40433411231² (a number of 22 digits) contains 22 as substring.

Together with 40433411233, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40433411231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40433411233) 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 as a sum of consecutive naturals, namely, 20216705615 + 20216705616.

It is an arithmetic number, because the mean of its divisors is an integer number (20216705616).

Almost surely, 2^40433411231 is an apocalyptic number.

40433411231 is a deficient number, since it is larger than the sum of its proper divisors (1).

40433411231 is an equidigital number, since it uses as much as digits as its factorization.

40433411231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 40433411231 its reverse (13211433404), we get a palindrome (53644844635).

The spelling of 40433411231 in words is "forty billion, four hundred thirty-three million, four hundred eleven thousand, two hundred thirty-one".