40516211 has 2 divisors, whose sum is σ = 40516212. Its totient is φ = 40516210.

The previous prime is 40516207. The next prime is 40516213. The reversal of 40516211 is 11261504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40516211 - 2² = 40516207 is a prime.

It is a Sophie Germain prime.

Together with 40516213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40516213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20258105 + 20258106.

It is an arithmetic number, because the mean of its divisors is an integer number (20258106).

Almost surely, 2^40516211 is an apocalyptic number.

40516211 is a deficient number, since it is larger than the sum of its proper divisors (1).

40516211 is an equidigital number, since it uses as much as digits as its factorization.

40516211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 40516211 is about 6365.2345597001. The cubic root of 40516211 is about 343.4600863146.

Adding to 40516211 its reverse (11261504), we get a palindrome (51777715).

The spelling of 40516211 in words is "forty million, five hundred sixteen thousand, two hundred eleven".