40065316 has 6 divisors (see below), whose sum is σ = 70114310. Its totient is φ = 20032656.

The previous prime is 40065257. The next prime is 40065317. The reversal of 40065316 is 61356004.

It can be written as a sum of positive squares in only one way, i.e., 39740416 + 324900 = 6304^2 + 570^2 .

It is not an unprimeable number, because it can be changed into a prime (40065317) by changing a digit.

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 as a sum of consecutive naturals, namely, 5008161 + ... + 5008168.

Almost surely, 2^40065316 is an apocalyptic number.

It is an amenable number.

40065316 is a deficient number, since it is larger than the sum of its proper divisors (30048994).

40065316 is a wasteful number, since it uses less digits than its factorization.

40065316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10016333 (or 10016331 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 40065316 is about 6329.7168973028. The cubic root of 40065316 is about 342.1812360884.

The spelling of 40065316 in words is "forty million, sixty-five thousand, three hundred sixteen".