It is a cyclic number.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 420144035.
It is an unprimeable number.
Almost surely, 2420144035 is an apocalyptic number.
420144035 is a wasteful number, since it uses less digits than its factorization.
420144035 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7942.
The square root of 420144035 is about 20497.4153248647. The cubic root of 420144035 is about 748.9728368530.
Adding to 420144035 its reverse (530441024), we get a palindrome (950585059).
The spelling of 420144035 in words is "four hundred twenty million, one hundred forty-four thousand, thirty-five".