444,171,597,444

Number
$444 \, 171 \, 597 \, 444$ is:


 * $2^2 \times 3^2 \times 277^2 \times 401^2$


 * The $666 \, 462$nd square number:
 * $444 \, 171 \, 597 \, 444 = 666 \, 462 \times 666 \, 462$


 * The $3$rd after $484$, $44 \, 944$ of the only $3$ square numbers which start and end with $n$ $4$s.