40258871 has 2 divisors, whose sum is σ = 40258872. Its totient is φ = 40258870.

The previous prime is 40258847. The next prime is 40258877. The reversal of 40258871 is 17885204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40258871 - 2⁶ = 40258807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40258877) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20129435 + 20129436.

It is an arithmetic number, because the mean of its divisors is an integer number (20129436).

Almost surely, 2^40258871 is an apocalyptic number.

40258871 is a deficient number, since it is larger than the sum of its proper divisors (1).

40258871 is an equidigital number, since it uses as much as digits as its factorization.

40258871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 40258871 is about 6344.9878644486. The cubic root of 40258871 is about 342.7313754405.

The spelling of 40258871 in words is "forty million, two hundred fifty-eight thousand, eight hundred seventy-one".