40368659 has 8 divisors (see below), whose sum is σ = 42910560. Its totient is φ = 37845376.

The previous prime is 40368637. The next prime is 40368677. The reversal of 40368659 is 95686304.

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-40368659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40368619) 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, 44 + ... + 8985.

It is an arithmetic number, because the mean of its divisors is an integer number (5363820).

Almost surely, 2^40368659 is an apocalyptic number.

40368659 is a deficient number, since it is larger than the sum of its proper divisors (2541901).

40368659 is a wasteful number, since it uses less digits than its factorization.

40368659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9309.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 40368659 is about 6353.6335273605. The cubic root of 40368659 is about 343.0426413283.

The spelling of 40368659 in words is "forty million, three hundred sixty-eight thousand, six hundred fifty-nine".