40590871 has 2 divisors, whose sum is σ = 40590872. Its totient is φ = 40590870.

The previous prime is 40590857. The next prime is 40590931. The reversal of 40590871 is 17809504.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40590871 - 2⁹ = 40590359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40590841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20295435 + 20295436.

It is an arithmetic number, because the mean of its divisors is an integer number (20295436).

Almost surely, 2^40590871 is an apocalyptic number.

40590871 is a deficient number, since it is larger than the sum of its proper divisors (1).

40590871 is an equidigital number, since it uses as much as digits as its factorization.

40590871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 40590871 is about 6371.0965304255. The cubic root of 40590871 is about 343.6709236950.

The spelling of 40590871 in words is "forty million, five hundred ninety thousand, eight hundred seventy-one".