4444135122 has 64 divisors (see below), whose sum is σ = 10282567680. Its totient is φ = 1254237696.

The previous prime is 4444135109. The next prime is 4444135123. The reversal of 4444135122 is 2215314444.

It is a self number, because there is not a number n which added to its sum of digits gives 4444135122.

It is not an unprimeable number, because it can be changed into a prime (4444135123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3743413 + ... + 3744599.

It is an arithmetic number, because the mean of its divisors is an integer number (160665120).

Almost surely, 2^4444135122 is an apocalyptic number.

4444135122 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 4444135122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5141283840).

4444135122 is an abundant number, since it is smaller than the sum of its proper divisors (5838432558).

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

4444135122 is a wasteful number, since it uses less digits than its factorization.

4444135122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215.

The product of its digits is 15360, while the sum is 30.

The square root of 4444135122 is about 66664.3467079668. The cubic root of 4444135122 is about 1644.1032392647.

Adding to 4444135122 its reverse (2215314444), we get a palindrome (6659449566).

The spelling of 4444135122 in words is "four billion, four hundred forty-four million, one hundred thirty-five thousand, one hundred twenty-two".