40850171 has 4 divisors (see below), whose sum is σ = 43000200. Its totient is φ = 38700144.

The previous prime is 40850153. The next prime is 40850177. The reversal of 40850171 is 17105804.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40850171 - 2⁶ = 40850107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40850171.

It is not an unprimeable number, because it can be changed into a prime (40850177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1074986 + ... + 1075023.

It is an arithmetic number, because the mean of its divisors is an integer number (10750050).

Almost surely, 2^40850171 is an apocalyptic number.

40850171 is a deficient number, since it is larger than the sum of its proper divisors (2150029).

40850171 is a wasteful number, since it uses less digits than its factorization.

40850171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150028.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 40850171 is about 6391.4138498457. The cubic root of 40850171 is about 344.4011764319.

Adding to 40850171 its reverse (17105804), we get a palindrome (57955975).

The spelling of 40850171 in words is "forty million, eight hundred fifty thousand, one hundred seventy-one".