Previously they were classified into genus Micrococcus, but have now been removed from Micrococcus based on phylogenetic and chemotaxonomic analysis . This bacterial cluster consists of nine species and is generally considered to be non-pathogenic commensals that colonize the skin, mucosa and oropharynx.
Maximum disk size: 4 gigabytes. Maximum file size: 4 gigabytes. Maximum number of files on disk: 65,517. Maximum number of files in a single folder: 512 (if I recall correctly, the root folder / had a lower limit of 128). FAT32. There's no practical limit on the combined sizes of all the files in a folder, though there may be limits on the number of files in a folder..
40,000 in a single directory is a reasonable ceiling that you want to stay under. I was going to say 50,000, but performance would be better if it was only 10,000 per directory. The issue isn't file or folder size, but number of folder items. Say you had a directory with a million files in it.