40454710171 has 2 divisors, whose sum is σ = 40454710172. Its totient is φ = 40454710170.

The previous prime is 40454710169. The next prime is 40454710193. The reversal of 40454710171 is 17101745404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40454710171 - 2¹ = 40454710169 is a prime.

It is a super-2 number, since 2×40454710171² (a number of 22 digits) contains 22 as substring.

Together with 40454710169, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40454710271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20227355085 + 20227355086.

It is an arithmetic number, because the mean of its divisors is an integer number (20227355086).

Almost surely, 2^40454710171 is an apocalyptic number.

40454710171 is a deficient number, since it is larger than the sum of its proper divisors (1).

40454710171 is an equidigital number, since it uses as much as digits as its factorization.

40454710171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15680, while the sum is 34.

The spelling of 40454710171 in words is "forty billion, four hundred fifty-four million, seven hundred ten thousand, one hundred seventy-one".