40540171 has 8 divisors (see below), whose sum is σ = 46371584. Its totient is φ = 34718760.

The previous prime is 40540163. The next prime is 40540217. The reversal of 40540171 is 17104504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40540171 - 2³ = 40540163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40540111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11236 + ... + 14398.

It is an arithmetic number, because the mean of its divisors is an integer number (5796448).

Almost surely, 2^40540171 is an apocalyptic number.

40540171 is a deficient number, since it is larger than the sum of its proper divisors (5831413).

40540171 is a wasteful number, since it uses less digits than its factorization.

40540171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5001.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 40540171 is about 6367.1163802777. The cubic root of 40540171 is about 343.5277767675.

Adding to 40540171 its reverse (17104504), we get a palindrome (57644675).

The spelling of 40540171 in words is "forty million, five hundred forty thousand, one hundred seventy-one".