Answer
$F=3\times10^{28}N$.
Work Step by Step
Use Newton’s law of universal gravitation.
$$F=G\frac{m_1m_2}{r^2}$$
$$F=(6.67\times10^{-11}Nm^2/kg^2)\frac{(4\times10^{41}kg)^2}{((2\times10^6\;ly)(\frac{9.46\times10^{15}m}{ly}))^2}$$
$$F=3\times10^{28}N$$
