It is a tau number, because it is divible by the number of its divisors (288).
It is a congruent number.
It is an unprimeable number.
Almost surely, 242271200 is an apocalyptic number.
42271200 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 42271200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81244800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42271200 is a wasteful number, since it uses less digits than its factorization.
42271200 is an evil number, because the sum of its binary digits is even.
The square root of 42271200 is about 6501.6305647122. The cubic root of 42271200 is about 348.3492332407.
Adding to 42271200 its reverse (217224), we get a palindrome (42488424).
The spelling of 42271200 in words is "forty-two million, two hundred seventy-one thousand, two hundred".