4040403242231 has 2 divisors, whose sum is σ = 4040403242232. Its totient is φ = 4040403242230.

The previous prime is 4040403242221. The next prime is 4040403242299. The reversal of 4040403242231 is 1322423040404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4040403242231 - 2¹⁸ = 4040402980087 is a prime.

It is a super-2 number, since 2×4040403242231² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4040403242194 and 4040403242203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4040403242221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2020201621115 + 2020201621116.

It is an arithmetic number, because the mean of its divisors is an integer number (2020201621116).

Almost surely, 2^{4040403242231} is an apocalyptic number.

4040403242231 is a deficient number, since it is larger than the sum of its proper divisors (1).

4040403242231 is an equidigital number, since it uses as much as digits as its factorization.

4040403242231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 4040403242231 its reverse (1322423040404), we get a palindrome (5362826282635).

The spelling of 4040403242231 in words is "four trillion, forty billion, four hundred three million, two hundred forty-two thousand, two hundred thirty-one".