40118219 has 2 divisors, whose sum is σ = 40118220. Its totient is φ = 40118218.

The previous prime is 40118209. The next prime is 40118227. The reversal of 40118219 is 91281104.

40118219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40118219 - 2⁸ = 40117963 is a prime.

It is a super-2 number, since 2×40118219² = 3218942991463922, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (40118209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20059109 + 20059110.

It is an arithmetic number, because the mean of its divisors is an integer number (20059110).

Almost surely, 2^40118219 is an apocalyptic number.

40118219 is a deficient number, since it is larger than the sum of its proper divisors (1).

40118219 is an equidigital number, since it uses as much as digits as its factorization.

40118219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 40118219 is about 6333.8944575987. The cubic root of 40118219 is about 342.3317773710.

The spelling of 40118219 in words is "forty million, one hundred eighteen thousand, two hundred nineteen".