1250 x 40800
1250 x 40800 = 51000000
Example of 1250 x 40800 pixels banner dimensions.
1200 x 40850 1210 x 40840 1220 x 40830 1230 x 40820 1240 x 40810
1250 x 40750 1250 x 40760 1250 x 40770 1250 x 40780 1250 x 40790
1250 x 40850 1250 x 40840 1250 x 40830 1250 x 40820 1250 x 40810