Adding to 42050000 its reverse (5024), we get a palindrome (42055024).
It is a congruent number.
It is an unprimeable number.
Almost surely, 242050000 is an apocalyptic number.
42050000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 42050000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52732953).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42050000 is an frugal number, since it uses more digits than its factorization.
42050000 is an odious number, because the sum of its binary digits is odd.
The square root of 42050000 is about 6484.5971347494. The cubic root of 42050000 is about 347.7405473530.
The spelling of 42050000 in words is "forty-two million, fifty thousand", and thus it is an eban number.