40004330 has 16 divisors (see below), whose sum is σ = 72088704. Its totient is φ = 15983760.

The previous prime is 40004317. The next prime is 40004333. The reversal of 40004330 is 3340004.

40004330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40004333) 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, 10595 + ... + 13865.

It is an arithmetic number, because the mean of its divisors is an integer number (4505544).

Almost surely, 2^40004330 is an apocalyptic number.

40004330 is a deficient number, since it is larger than the sum of its proper divisors (32084374).

40004330 is a wasteful number, since it uses less digits than its factorization.

40004330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4501.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 40004330 is about 6324.8976276300. The cubic root of 40004330 is about 342.0075292165.

Adding to 40004330 its reverse (3340004), we get a palindrome (43344334).

The spelling of 40004330 in words is "forty million, four thousand, three hundred thirty".