40068871 has 2 divisors, whose sum is σ = 40068872. Its totient is φ = 40068870.

The previous prime is 40068869. The next prime is 40068883. The reversal of 40068871 is 17886004.

It is a happy number.

40068871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40068871 - 2¹ = 40068869 is a prime.

Together with 40068869, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40068841) 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, 20034435 + 20034436.

It is an arithmetic number, because the mean of its divisors is an integer number (20034436).

Almost surely, 2^40068871 is an apocalyptic number.

40068871 is a deficient number, since it is larger than the sum of its proper divisors (1).

40068871 is an equidigital number, since it uses as much as digits as its factorization.

40068871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 40068871 is about 6329.9977093203. The cubic root of 40068871 is about 342.1913563822.

The spelling of 40068871 in words is "forty million, sixty-eight thousand, eight hundred seventy-one".