40004634 has 8 divisors (see below), whose sum is σ = 80009280. Its totient is φ = 13334876.

The previous prime is 40004611. The next prime is 40004651. The reversal of 40004634 is 43640004.

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

40004634 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 40004634.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3333714 + ... + 3333725.

It is an arithmetic number, because the mean of its divisors is an integer number (10001160).

Almost surely, 2^40004634 is an apocalyptic number.

40004634 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40004634 is a wasteful number, since it uses less digits than its factorization.

40004634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6667444.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 40004634 is about 6324.9216595939. The cubic root of 40004634 is about 342.0083955396.

Adding to 40004634 its reverse (43640004), we get a palindrome (83644638).

The spelling of 40004634 in words is "forty million, four thousand, six hundred thirty-four".