40216316 has 12 divisors (see below), whose sum is σ = 80432688. Its totient is φ = 17235552.

The previous prime is 40216289. The next prime is 40216321. The reversal of 40216316 is 61361204.

It is a happy number.

40216316 is an admirable number.

It is a super-2 number, since 2×40216316² = 3234704145223712, which contains 22 as substring.

It is a nialpdrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 40216291 and 40216300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 718121 + ... + 718176.

It is an arithmetic number, because the mean of its divisors is an integer number (6702724).

Almost surely, 2^40216316 is an apocalyptic number.

It is an amenable number.

40216316 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40216316 is a wasteful number, since it uses less digits than its factorization.

40216316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436308 (or 1436306 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 40216316 is about 6341.6335434965. The cubic root of 40216316 is about 342.6105732814.

The spelling of 40216316 in words is "forty million, two hundred sixteen thousand, three hundred sixteen".