40044506 has 8 divisors (see below), whose sum is σ = 60134880. Its totient is φ = 19999548.

The previous prime is 40044479. The next prime is 40044509. The reversal of 40044506 is 60544004.

It is a happy number.

40044506 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 not an unprimeable number, because it can be changed into a prime (40044509) 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, 9056 + ... + 12731.

It is an arithmetic number, because the mean of its divisors is an integer number (7516860).

Almost surely, 2^40044506 is an apocalyptic number.

40044506 is a deficient number, since it is larger than the sum of its proper divisors (20090374).

40044506 is a wasteful number, since it uses less digits than its factorization.

40044506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22708.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 40044506 is about 6328.0728504024. The cubic root of 40044506 is about 342.1219826372.

The spelling of 40044506 in words is "forty million, forty-four thousand, five hundred six".