Code point
U+FF400
This code point is invisible, reserved, private-use, or a control. The dot is a placeholder, not its glyph.
U+FF400
CoChoose the representation you need, then copy its value.
U+FF400
1045504
󿐀
󿐀
F3 BF 90 80
DBBD DC00
000FF400
%F3%BF%90%80
\U000FF400
\u{FF400}
\uDBBD\uDC00
\FF400