How many total electoral votes are there?

What is the name of the famous desk in the Oval Office made from the timbers of a British ship? What is the official residence of the Vice President? On what date is the President inaugurated after an election? How many electoral votes are needed to win the presidency? How many senators does each state have? How many voting members are in the U.S. House of Representatives? How many justices serve on the U.S. Supreme Court? What is the minimum age to serve as President?