40216766 has 8 divisors (see below), whose sum is σ = 60357960. Its totient is φ = 20097448.

The previous prime is 40216763. The next prime is 40216783. The reversal of 40216766 is 66761204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40216763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380 + ... + 8976.

It is an arithmetic number, because the mean of its divisors is an integer number (7544745).

Almost surely, 2^40216766 is an apocalyptic number.

40216766 is a deficient number, since it is larger than the sum of its proper divisors (20141194).

40216766 is a wasteful number, since it uses less digits than its factorization.

40216766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10938.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 40216766 is about 6341.6690232146. The cubic root of 40216766 is about 342.6118511556.

The spelling of 40216766 in words is "forty million, two hundred sixteen thousand, seven hundred sixty-six".