40004849 has 8 divisors (see below), whose sum is σ = 42175488. Its totient is φ = 37889280.

The previous prime is 40004827. The next prime is 40004851. The reversal of 40004849 is 94840004.

It is a happy number.

40004849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-40004849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40054849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12272 + ... + 15185.

It is an arithmetic number, because the mean of its divisors is an integer number (5271936).

Almost surely, 2^40004849 is an apocalyptic number.

It is an amenable number.

40004849 is a deficient number, since it is larger than the sum of its proper divisors (2170639).

40004849 is a wasteful number, since it uses less digits than its factorization.

40004849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27535.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 40004849 is about 6324.9386558290. The cubic root of 40004849 is about 342.0090082326.

The spelling of 40004849 in words is "forty million, four thousand, eight hundred forty-nine".