40238017 has 8 divisors (see below), whose sum is σ = 42249024. Its totient is φ = 38248848.

The previous prime is 40237961. The next prime is 40238021. The reversal of 40238017 is 71083204.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40238017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40237982 and 40238000.

It is not an unprimeable number, because it can be changed into a prime (40238047) 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, 1618 + ... + 9115.

It is an arithmetic number, because the mean of its divisors is an integer number (5281128).

Almost surely, 2^40238017 is an apocalyptic number.

It is an amenable number.

40238017 is a deficient number, since it is larger than the sum of its proper divisors (2011007).

40238017 is a wasteful number, since it uses less digits than its factorization.

40238017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10919.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 40238017 is about 6343.3443072247. The cubic root of 40238017 is about 342.6721872055.

The spelling of 40238017 in words is "forty million, two hundred thirty-eight thousand, seventeen".