240434219 has 2 divisors, whose sum is σ = 240434220. Its totient is φ = 240434218.

The previous prime is 240434197. The next prime is 240434221. The reversal of 240434219 is 912434042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240434219 - 2¹⁶ = 240368683 is a prime.

It is a super-2 number, since 2×240434219² = 115617227332279922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 240434221, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 240434191 and 240434200.

It is not a weakly prime, because it can be changed into another prime (240434279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120217109 + 120217110.

It is an arithmetic number, because the mean of its divisors is an integer number (120217110).

Almost surely, 2^240434219 is an apocalyptic number.

240434219 is a deficient number, since it is larger than the sum of its proper divisors (1).

240434219 is an equidigital number, since it uses as much as digits as its factorization.

240434219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 240434219 is about 15505.9414096662. The cubic root of 240434219 is about 621.8210585570.

The spelling of 240434219 in words is "two hundred forty million, four hundred thirty-four thousand, two hundred nineteen".