42442443104220 has 144 divisors (see below), whose sum is σ = 129090896363520. Its totient is φ = 11287325267328.

The previous prime is 42442443104203. The next prime is 42442443104279. The reversal of 42442443104220 is 2240134424424.

42442443104220 is a `hidden beast` number, since 4 + 2 + 4 + 424 + 4 + 3 + 1 + 0 + 4 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 893369707 + ... + 893417213.

It is an arithmetic number, because the mean of its divisors is an integer number (896464558080).

Almost surely, 2^{42442443104220} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42442443104220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64545448181760).

42442443104220 is an abundant number, since it is smaller than the sum of its proper divisors (86648453259300).

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

42442443104220 is a wasteful number, since it uses less digits than its factorization.

42442443104220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60864 (or 60859 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 36.

Adding to 42442443104220 its reverse (2240134424424), we get a palindrome (44682577528644).

The spelling of 42442443104220 in words is "forty-two trillion, four hundred forty-two billion, four hundred forty-three million, one hundred four thousand, two hundred twenty".