40434040432031 has 2 divisors, whose sum is σ = 40434040432032. Its totient is φ = 40434040432030.

The previous prime is 40434040432003. The next prime is 40434040432039. The reversal of 40434040432031 is 13023404043404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40434040432031 - 2¹⁰ = 40434040431007 is a prime.

It is a super-2 number, since 2×40434040432031² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40434040432039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20217020216015 + 20217020216016.

It is an arithmetic number, because the mean of its divisors is an integer number (20217020216016).

Almost surely, 2^{40434040432031} is an apocalyptic number.

40434040432031 is a deficient number, since it is larger than the sum of its proper divisors (1).

40434040432031 is an equidigital number, since it uses as much as digits as its factorization.

40434040432031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 40434040432031 its reverse (13023404043404), we get a palindrome (53457444475435).

The spelling of 40434040432031 in words is "forty trillion, four hundred thirty-four billion, forty million, four hundred thirty-two thousand, thirty-one".