1280 x 40320
1280 x 40320 = 51609600
Example of 1280 x 40320 pixels banner dimensions.
1230 x 40370 1240 x 40360 1250 x 40350 1260 x 40340 1270 x 40330
1280 x 40270 1280 x 40280 1280 x 40290 1280 x 40300 1280 x 40310
1280 x 40370 1280 x 40360 1280 x 40350 1280 x 40340 1280 x 40330