410

Number
$410$ (four hundred and ten) is:


 * $2 \times 5 \times 41$


 * The $20$th integer after $7$, $13$, $19$, $35$, $38$, $41$, $57$, $65$, $70$, $125$, $130$, $190$, $205$, $223$, $253$, $285$, $305$, $350$, $380$ the decimal representation of whose square can be split into two parts which are each themselves square:
 * $410^2 = 168 \, 100; 16 = 4^2, 8100 = 90^2$