40904666 has 16 divisors (see below), whose sum is σ = 67039488. Its totient is φ = 18564000.

The previous prime is 40904659. The next prime is 40904681. The reversal of 40904666 is 66640904.

40904666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 19991 + ... + 21941.

It is an arithmetic number, because the mean of its divisors is an integer number (4189968).

Almost surely, 2^40904666 is an apocalyptic number.

40904666 is a deficient number, since it is larger than the sum of its proper divisors (26134822).

40904666 is a wasteful number, since it uses less digits than its factorization.

40904666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2917.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 40904666 is about 6395.6755702584. The cubic root of 40904666 is about 344.5542545556.

The spelling of 40904666 in words is "forty million, nine hundred four thousand, six hundred sixty-six".