42442240244 has 24 divisors (see below), whose sum is σ = 76778150400. Its totient is φ = 20507559840.

The previous prime is 42442240229. The next prime is 42442240297. The reversal of 42442240244 is 44204224424.

It is a self number, because there is not a number n which added to its sum of digits gives 42442240244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153464 + ... + 329295.

It is an arithmetic number, because the mean of its divisors is an integer number (3199089600).

Almost surely, 2^42442240244 is an apocalyptic number.

It is an amenable number.

42442240244 is a deficient number, since it is larger than the sum of its proper divisors (34335910156).

42442240244 is a wasteful number, since it uses less digits than its factorization.

42442240244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483503 (or 483501 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 42442240244 its reverse (44204224424), we get a palindrome (86646464668).

The spelling of 42442240244 in words is "forty-two billion, four hundred forty-two million, two hundred forty thousand, two hundred forty-four".