40116682 has 4 divisors (see below), whose sum is σ = 60175026. Its totient is φ = 20058340.

The previous prime is 40116677. The next prime is 40116683. The reversal of 40116682 is 28661104.

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., 38551681 + 1565001 = 6209^2 + 1251^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40116682.

It is not an unprimeable number, because it can be changed into a prime (40116683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10029169 + ... + 10029172.

Almost surely, 2^40116682 is an apocalyptic number.

40116682 is a deficient number, since it is larger than the sum of its proper divisors (20058344).

40116682 is a wasteful number, since it uses less digits than its factorization.

40116682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20058343.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 40116682 is about 6333.7731250811. The cubic root of 40116682 is about 342.3274055364.

Adding to 40116682 its reverse (28661104), we get a palindrome (68777786).

The spelling of 40116682 in words is "forty million, one hundred sixteen thousand, six hundred eighty-two".