40040641171 has 2 divisors, whose sum is σ = 40040641172. Its totient is φ = 40040641170.

The previous prime is 40040641139. The next prime is 40040641181. The reversal of 40040641171 is 17114604004.

40040641171 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 40040641171 - 2⁵ = 40040641139 is a prime.

It is not a weakly prime, because it can be changed into another prime (40040641181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20020320585 + 20020320586.

It is an arithmetic number, because the mean of its divisors is an integer number (20020320586).

Almost surely, 2^40040641171 is an apocalyptic number.

40040641171 is a deficient number, since it is larger than the sum of its proper divisors (1).

40040641171 is an equidigital number, since it uses as much as digits as its factorization.

40040641171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

The spelling of 40040641171 in words is "forty billion, forty million, six hundred forty-one thousand, one hundred seventy-one".