40368217 has 8 divisors (see below), whose sum is σ = 44992800. Its totient is φ = 35993664.

The previous prime is 40368187. The next prime is 40368239. The reversal of 40368217 is 71286304.

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 40368217 - 2⁷ = 40368089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40368277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62167 + ... + 62812.

It is an arithmetic number, because the mean of its divisors is an integer number (5624100).

Almost surely, 2^40368217 is an apocalyptic number.

It is an amenable number.

40368217 is a deficient number, since it is larger than the sum of its proper divisors (4624583).

40368217 is a wasteful number, since it uses less digits than its factorization.

40368217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125015.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 40368217 is about 6353.5987440190. The cubic root of 40368217 is about 343.0413893224.

The spelling of 40368217 in words is "forty million, three hundred sixty-eight thousand, two hundred seventeen".