40319171 has 2 divisors, whose sum is σ = 40319172. Its totient is φ = 40319170.

The previous prime is 40319143. The next prime is 40319173. The reversal of 40319171 is 17191304.

40319171 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 40319171 - 2¹⁸ = 40057027 is a prime.

Together with 40319173, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40319171.

It is not a weakly prime, because it can be changed into another prime (40319173) 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, 20159585 + 20159586.

It is an arithmetic number, because the mean of its divisors is an integer number (20159586).

Almost surely, 2^40319171 is an apocalyptic number.

40319171 is a deficient number, since it is larger than the sum of its proper divisors (1).

40319171 is an equidigital number, since it uses as much as digits as its factorization.

40319171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 40319171 is about 6349.7378686053. The cubic root of 40319171 is about 342.9024051769.

The spelling of 40319171 in words is "forty million, three hundred nineteen thousand, one hundred seventy-one".