640 x 25600
640 x 25600 = 16384000
Example of 640 x 25600 pixels banner dimensions.
590 x 25650 600 x 25640 610 x 25630 620 x 25620 630 x 25610
640 x 25550 640 x 25560 640 x 25570 640 x 25580 640 x 25590
640 x 25650 640 x 25640 640 x 25630 640 x 25620 640 x 25610