That is the correct spelling (forty thousand) for the numeral 40000 or 40,000.
Forty thousand dollars can be written in words as "forty thousand dollars." If you are using it in a formal context, such as a check, you might also write it as "Forty Thousand and 00/100 dollars."
five thousand and forty one
Forty-five thousand.
forty three thousand
Three thousand and forty.
One hundred forty thousand
Forty-eight thousand, two
Forty thousand dollars can be written in words as "forty thousand dollars." If you are using it in a formal context, such as a check, you might also write it as "Forty Thousand and 00/100 dollars."
In words . . . . . "forty thousand". In numbers . . . 40,000 .
five thousand and forty one
thirty thousand, forty.
Forty-five thousand.
Forty-nine thousand
40,000.00 = forty thousand.
forty-seven thousand.
Three thousand and forty.
forty three thousand