Bluebulb Projects' The Measure of Things presents:
35,540,419 is about 250,000 times the number of Union Stations in the United States.
In other words, it's 263,000 times the count of Union Stations in the United States, and the count of Union Stations in the United States is 0.00000380 times that amount.
(a.k.a. Union Terminal; a.k.a. Joint Station; a.k.a. Union Depot) (2016 figures)