43242442122 has 64 divisors (see below), whose sum is σ = 100077773184. Its totient is φ = 12310640640.

The previous prime is 43242442121. The next prime is 43242442123. The reversal of 43242442122 is 22124424234.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (43242442121) and next prime (43242442123).

It is a self number, because there is not a number n which added to its sum of digits gives 43242442122.

It is not an unprimeable number, because it can be changed into a prime (43242442121) 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, 590358 + ... + 659550.

It is an arithmetic number, because the mean of its divisors is an integer number (1563715206).

Almost surely, 2^43242442122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43242442122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50038886592).

43242442122 is an abundant number, since it is smaller than the sum of its proper divisors (56835331062).

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

43242442122 is a wasteful number, since it uses less digits than its factorization.

43242442122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69783.

The product of its digits is 24576, while the sum is 30.

Adding to 43242442122 its reverse (22124424234), we get a palindrome (65366866356).

The spelling of 43242442122 in words is "forty-three billion, two hundred forty-two million, four hundred forty-two thousand, one hundred twenty-two".