40544008 has 16 divisors (see below), whose sum is σ = 78075180. Its totient is φ = 19723968.

The previous prime is 40543999. The next prime is 40544011. The reversal of 40544008 is 80044504.

It can be written as a sum of positive squares in 2 ways, for example, as 34082244 + 6461764 = 5838^2 + 2542^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68191 + ... + 68782.

Almost surely, 2^40544008 is an apocalyptic number.

It is an amenable number.

40544008 is a deficient number, since it is larger than the sum of its proper divisors (37531172).

40544008 is a wasteful number, since it uses less digits than its factorization.

40544008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137016 (or 137012 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 40544008 is about 6367.4176869434. The cubic root of 40544008 is about 343.5386143677.

The spelling of 40544008 in words is "forty million, five hundred forty-four thousand, eight".