40771036571 has 2 divisors, whose sum is σ = 40771036572. Its totient is φ = 40771036570.

The previous prime is 40771036543. The next prime is 40771036637. The reversal of 40771036571 is 17563017704.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40771036571 - 2⁶ = 40771036507 is a prime.

It is not a weakly prime, because it can be changed into another prime (40771036531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20385518285 + 20385518286.

It is an arithmetic number, because the mean of its divisors is an integer number (20385518286).

Almost surely, 2^40771036571 is an apocalyptic number.

40771036571 is a deficient number, since it is larger than the sum of its proper divisors (1).

40771036571 is an equidigital number, since it uses as much as digits as its factorization.

40771036571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 123480, while the sum is 41.

The spelling of 40771036571 in words is "forty billion, seven hundred seventy-one million, thirty-six thousand, five hundred seventy-one".