40855208 has 8 divisors (see below), whose sum is σ = 76603530. Its totient is φ = 20427600.

The previous prime is 40855201. The next prime is 40855211. The reversal of 40855208 is 80255804.

It can be written as a sum of positive squares in only one way, i.e., 36024004 + 4831204 = 6002^2 + 2198^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (40855201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2553443 + ... + 2553458.

Almost surely, 2^40855208 is an apocalyptic number.

It is an amenable number.

40855208 is a deficient number, since it is larger than the sum of its proper divisors (35748322).

40855208 is a wasteful number, since it uses less digits than its factorization.

40855208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5106907 (or 5106903 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 40855208 is about 6391.8078819689. The cubic root of 40855208 is about 344.4153312273.

The spelling of 40855208 in words is "forty million, eight hundred fifty-five thousand, two hundred eight".