Yeah, it's worth more like $50M if you place your sells across exchanges:

    1,600,000.00 bitcoins can be sold for 35,066,701.01 USD on Mt. Gox with a slippage of 1,544,789,298.99 USD (97.78%)
    222,043.14 bitcoins (insufficient bid volume) can be sold for 15,395,973.27 USD on Bitstamp with a slippage of 1,493,404,026.73 USD (98.98%)