42405044244 has 12 divisors (see below), whose sum is σ = 98945103264. Its totient is φ = 14135014744.

The previous prime is 42405044203. The next prime is 42405044257. The reversal of 42405044244 is 44244050424.

It is a happy number.

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.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1766876832 + ... + 1766876855.

It is an arithmetic number, because the mean of its divisors is an integer number (8245425272).

Almost surely, 2^42405044244 is an apocalyptic number.

It is an amenable number.

42405044244 is an abundant number, since it is smaller than the sum of its proper divisors (56540059020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42405044244 is a wasteful number, since it uses less digits than its factorization.

42405044244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3533753694 (or 3533753692 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 33.

Adding to 42405044244 its reverse (44244050424), we get a palindrome (86649094668).

The spelling of 42405044244 in words is "forty-two billion, four hundred five million, forty-four thousand, two hundred forty-four".