Apple reports sales of 450,000 iPads, 600,000 iBooks, 3.5 million iPad apps

Opening the iPhone OS 4.0 Event today, Steve Jobs reported that Apple has sold 450,000 iPads since its initial U.S. launch last Saturday.

Jobs noted that on the first day of the iPad launch the company sold 250,000 iBooks and 1 million iPad apps and that as of today a total of 600,000 iBooks and 3.5 million iPad apps have been purchased. Jobs noted that there are currently over 185,000 apps in the App Store, including over 3,500 iPad apps already available and in total users have downloaded well over 4 billion apps from the App Store.