4244122442142 has 96 divisors (see below), whose sum is σ = 10113172992000. Its totient is φ = 1275640047360.

The previous prime is 4244122442111. The next prime is 4244122442167. The reversal of 4244122442142 is 2412442214424.

4244122442142 is a `hidden beast` number, since 4 + 2 + 4 + 4 + 1 + 224 + 421 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 4244122442097 and 4244122442106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 107429109 + ... + 107468607.

It is an arithmetic number, because the mean of its divisors is an integer number (105345552000).

Almost surely, 2^{4244122442142} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4244122442142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5056586496000).

4244122442142 is an abundant number, since it is smaller than the sum of its proper divisors (5869050549858).

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

4244122442142 is a wasteful number, since it uses less digits than its factorization.

4244122442142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43918 (or 43915 counting only the distinct ones).

The product of its digits is 131072, while the sum is 36.

Adding to 4244122442142 its reverse (2412442214424), we get a palindrome (6656564656566).

The spelling of 4244122442142 in words is "four trillion, two hundred forty-four billion, one hundred twenty-two million, four hundred forty-two thousand, one hundred forty-two".