40568971 has 8 divisors (see below), whose sum is σ = 42867200. Its totient is φ = 38287080.

The previous prime is 40568963. The next prime is 40568977. The reversal of 40568971 is 17986504.

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 40568971 - 2³ = 40568963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40568977) 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, 1210 + ... + 9088.

It is an arithmetic number, because the mean of its divisors is an integer number (5358400).

Almost surely, 2^40568971 is an apocalyptic number.

40568971 is a deficient number, since it is larger than the sum of its proper divisors (2298229).

40568971 is a wasteful number, since it uses less digits than its factorization.

40568971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8169.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 40568971 is about 6369.3775991065. The cubic root of 40568971 is about 343.6091056308.

The spelling of 40568971 in words is "forty million, five hundred sixty-eight thousand, nine hundred seventy-one".