It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is an unprimeable number.
Almost surely, 242243996 is an apocalyptic number.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42243996 is a wasteful number, since it uses less digits than its factorization.
42243996 is an evil number, because the sum of its binary digits is even.
The square root of 42243996 is about 6499.5381374372. The cubic root of 42243996 is about 348.2744894738.
The spelling of 42243996 in words is "forty-two million, two hundred forty-three thousand, nine hundred ninety-six".