40004659 has 16 divisors (see below), whose sum is σ = 44377920. Its totient is φ = 35925120.

The previous prime is 40004651. The next prime is 40004669. The reversal of 40004659 is 95640004.

It is a cyclic number.

It is not a de Polignac number, because 40004659 - 2³ = 40004651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40004651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23869 + ... + 25489.

It is an arithmetic number, because the mean of its divisors is an integer number (2773620).

Almost surely, 2^40004659 is an apocalyptic number.

40004659 is a deficient number, since it is larger than the sum of its proper divisors (4373261).

40004659 is a wasteful number, since it uses less digits than its factorization.

40004659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 40004659 is about 6324.9236359027. The cubic root of 40004659 is about 342.0084667831.

The spelling of 40004659 in words is "forty million, four thousand, six hundred fifty-nine".