40006604 has 12 divisors (see below), whose sum is σ = 76376328. Its totient is φ = 18184800.

The previous prime is 40006579. The next prime is 40006607. The reversal of 40006604 is 40660004.

40006604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40006604² = 3201056727225632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40006607) 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 3 ways as a sum of consecutive naturals, for example, 454577 + ... + 454664.

It is an arithmetic number, because the mean of its divisors is an integer number (6364694).

Almost surely, 2^40006604 is an apocalyptic number.

40006604 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40006604 is a deficient number, since it is larger than the sum of its proper divisors (36369724).

40006604 is a wasteful number, since it uses less digits than its factorization.

40006604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909256 (or 909254 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 40006604 is about 6325.0773908309. The cubic root of 40006604 is about 342.0140094349.

Adding to 40006604 its reverse (40660004), we get a palindrome (80666608).

The spelling of 40006604 in words is "forty million, six thousand, six hundred four".