40216835 has 4 divisors (see below), whose sum is σ = 48260208. Its totient is φ = 32173464.

The previous prime is 40216829. The next prime is 40216837. The reversal of 40216835 is 53861204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40216835 - 2¹⁴ = 40200451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40216798 and 40216807.

It is not an unprimeable number, because it can be changed into a prime (40216837) 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 in 3 ways as a sum of consecutive naturals, for example, 4021679 + ... + 4021688.

It is an arithmetic number, because the mean of its divisors is an integer number (12065052).

Almost surely, 2^40216835 is an apocalyptic number.

40216835 is a deficient number, since it is larger than the sum of its proper divisors (8043373).

40216835 is an equidigital number, since it uses as much as digits as its factorization.

40216835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8043372.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 40216835 is about 6341.6744634205. The cubic root of 40216835 is about 342.6120470955.

The spelling of 40216835 in words is "forty million, two hundred sixteen thousand, eight hundred thirty-five".