What is "40.436111?

40.436111 is a set of GPS coordinates that correspond to a specific location on the Earth's surface. The first number, 40.436111, represents the latitude of the location, which is the angular distance between the equator and the location, measured in degrees. The second number, which is not provided in the question, would represent the longitude of the location, which is the angular distance between the Prime Meridian and the location, also measured in degrees. Without the longitude, it is not possible to determine the exact location of these coordinates.