40433322431 has 2 divisors, whose sum is σ = 40433322432. Its totient is φ = 40433322430.

The previous prime is 40433322409. The next prime is 40433322451. The reversal of 40433322431 is 13422333404.

40433322431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40433322431 - 2⁶ = 40433322367 is a prime.

It is a super-2 number, since 2×40433322431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40433322394 and 40433322403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40433322451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20216661215 + 20216661216.

It is an arithmetic number, because the mean of its divisors is an integer number (20216661216).

Almost surely, 2^40433322431 is an apocalyptic number.

40433322431 is a deficient number, since it is larger than the sum of its proper divisors (1).

40433322431 is an equidigital number, since it uses as much as digits as its factorization.

40433322431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 40433322431 its reverse (13422333404), we get a palindrome (53855655835).

The spelling of 40433322431 in words is "forty billion, four hundred thirty-three million, three hundred twenty-two thousand, four hundred thirty-one".