40044066 has 8 divisors (see below), whose sum is σ = 80088144. Its totient is φ = 13348020.

The previous prime is 40044023. The next prime is 40044083. The reversal of 40044066 is 66044004.

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

40044066 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3337000 + ... + 3337011.

It is an arithmetic number, because the mean of its divisors is an integer number (10011018).

Almost surely, 2^40044066 is an apocalyptic number.

40044066 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.

40044066 is a wasteful number, since it uses less digits than its factorization.

40044066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6674016.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 40044066 is about 6328.0380845883. The cubic root of 40044066 is about 342.1207295796.

The spelling of 40044066 in words is "forty million, forty-four thousand, sixty-six", and thus it is an eban number.