40768571 has 2 divisors, whose sum is σ = 40768572. Its totient is φ = 40768570.

The previous prime is 40768543. The next prime is 40768579. The reversal of 40768571 is 17586704.

40768571 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 40768571 - 2²² = 36574267 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40768579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20384285 + 20384286.

It is an arithmetic number, because the mean of its divisors is an integer number (20384286).

Almost surely, 2^40768571 is an apocalyptic number.

40768571 is a deficient number, since it is larger than the sum of its proper divisors (1).

40768571 is an equidigital number, since it uses as much as digits as its factorization.

40768571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 40768571 is about 6385.0270946958. The cubic root of 40768571 is about 344.1717047756.

The spelling of 40768571 in words is "forty million, seven hundred sixty-eight thousand, five hundred seventy-one".