Typically 640x360 pixels for a 16:9 widescreen aspect ratio.
A file size of 415.32 MB for a 360p video is unusually large compared to standard streaming estimates. For context, a typical one-hour 360p YouTube video consumes only about . 360p mp4(415.32 MB)
If you have a 360p file at 415.32 MB, one of two things is likely happening: Understanding Video Quality: File Formats and Resolution. Typically 640x360 pixels for a 16:9 widescreen aspect ratio