40875866 has 4 divisors (see below), whose sum is σ = 61313802. Its totient is φ = 20437932.

The previous prime is 40875827. The next prime is 40875881. The reversal of 40875866 is 66857804.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 40589641 + 286225 = 6371^2 + 535^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10218965 + ... + 10218968.

Almost surely, 2^40875866 is an apocalyptic number.

40875866 is a deficient number, since it is larger than the sum of its proper divisors (20437936).

40875866 is a wasteful number, since it uses less digits than its factorization.

40875866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20437935.

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 40875866 is about 6393.4236524729. The cubic root of 40875866 is about 344.4733714250.

The spelling of 40875866 in words is "forty million, eight hundred seventy-five thousand, eight hundred sixty-six".