It is 4400000000.
4,400,000,000 | Four billion, four hundred million.
One septillion.
What number are you calling from
Say I'm Your Number One was created in 1985.
You will not say 7.
To say '4', you simply say 'four'. Four is a number.
I first ask if this is (give the number you meant to call) and if they say no, I apologize and say that I must have made a mistake when I dialed.
four
25,50,100,200
You can say "¿Tienes mi número?"
Say the number of which it is and then say the plague