40228066 has 8 divisors (see below), whose sum is σ = 60424704. Its totient is φ = 20086500.

The previous prime is 40228051. The next prime is 40228109. The reversal of 40228066 is 66082204.

40228066 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 an unprimeable number.

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, 11890 + ... + 14893.

It is an arithmetic number, because the mean of its divisors is an integer number (7553088).

Almost surely, 2^40228066 is an apocalyptic number.

40228066 is a deficient number, since it is larger than the sum of its proper divisors (20196638).

40228066 is a wasteful number, since it uses less digits than its factorization.

40228066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27536.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 40228066 is about 6342.5598932923. The cubic root of 40228066 is about 342.6439368731.

The spelling of 40228066 in words is "forty million, two hundred twenty-eight thousand, sixty-six".