40235067455171 has 2 divisors, whose sum is σ = 40235067455172. Its totient is φ = 40235067455170.

The previous prime is 40235067455129. The next prime is 40235067455173. The reversal of 40235067455171 is 17155476053204.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40235067455171 is a prime.

Together with 40235067455173, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40235067455173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20117533727585 + 20117533727586.

It is an arithmetic number, because the mean of its divisors is an integer number (20117533727586).

Almost surely, 2^{40235067455171} is an apocalyptic number.

40235067455171 is a deficient number, since it is larger than the sum of its proper divisors (1).

40235067455171 is an equidigital number, since it uses as much as digits as its factorization.

40235067455171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528000, while the sum is 50.

The spelling of 40235067455171 in words is "forty trillion, two hundred thirty-five billion, sixty-seven million, four hundred fifty-five thousand, one hundred seventy-one".