\[= \left( 2^{8} - 1 \right)\left( 2^{8} + 1 \right)\left( 2^{16} + 1 \right) - 2^{32} =\]
\[= \left( 2^{16} - 1 \right)\left( 2^{16} + 1 \right) - 2^{32} =\]
\[= 2^{32} - 1 - 2^{32} = - 1.\]