400 x 3840
400 x 3840 = 1536000
Example of 400 x 3840 pixels banner dimensions.
350 x 3890 360 x 3880 370 x 3870 380 x 3860 390 x 3850
400 x 3790 400 x 3800 400 x 3810 400 x 3820 400 x 3830
400 x 3890 400 x 3880 400 x 3870 400 x 3860 400 x 3850