240189419 has 2 divisors, whose sum is σ = 240189420. Its totient is φ = 240189418.

The previous prime is 240189377. The next prime is 240189451. The reversal of 240189419 is 914981042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240189419 - 2¹⁶ = 240123883 is a prime.

It is a super-2 number, since 2×240189419² = 115381913999115122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (240189479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120094709 + 120094710.

It is an arithmetic number, because the mean of its divisors is an integer number (120094710).

Almost surely, 2^240189419 is an apocalyptic number.

240189419 is a deficient number, since it is larger than the sum of its proper divisors (1).

240189419 is an equidigital number, since it uses as much as digits as its factorization.

240189419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 240189419 is about 15498.0456509845. The cubic root of 240189419 is about 621.6099495519.

The spelling of 240189419 in words is "two hundred forty million, one hundred eighty-nine thousand, four hundred nineteen".