1440 is an integer.
MCDXL
1440
One thousand, four hundred forty.
It is already in standard form/notation as written.
Eleven Hundred Thousand USD.
$2,968.30
$3,000.00
1% of 1440 = 1% * 1440 = 0.01 * 1440 = 14.4
One thousand four hundred (and) forty.
1440 is not a prime number; 1440 is composite.
"USD 98"