40838659 has 8 divisors (see below), whose sum is σ = 41216000. Its totient is φ = 40463496.

The previous prime is 40838653. The next prime is 40838663. The reversal of 40838659 is 95683804.

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 40838659 - 2⁵ = 40838627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40838653) 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, 81592 + ... + 82090.

It is an arithmetic number, because the mean of its divisors is an integer number (5152000).

Almost surely, 2^40838659 is an apocalyptic number.

40838659 is a deficient number, since it is larger than the sum of its proper divisors (377341).

40838659 is a wasteful number, since it uses less digits than its factorization.

40838659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 40838659 is about 6390.5132031786. The cubic root of 40838659 is about 344.3688214565.

The spelling of 40838659 in words is "forty million, eight hundred thirty-eight thousand, six hundred fifty-nine".