It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 40041242.
Almost surely, 240041242 is an apocalyptic number.
40041242 is a wasteful number, since it uses less digits than its factorization.
40041242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46672.
The square root of 40041242 is about 6327.8149467253. The cubic root of 40041242 is about 342.1126870092.
Adding to 40041242 its reverse (24214004), we get a palindrome (64255246).
The spelling of 40041242 in words is "forty million, forty-one thousand, two hundred forty-two".