Yes, forty is the correct spelling for the number 40.
You had it right. It is forty.
forty three
Forty = vierzig
You spell it like this: Forty Five dollars.....
That is the correct spelling of "forty" (40).
forty
Forty one is einundvierzig.
Forty.
"Forty thousand" in numbers is "40,000"
You spell 44 as forty four.
47 is spelled out, 'forty-seven'.
"Forty" in French becomes "quarante".