4243310442 has 128 divisors (see below), whose sum is σ = 11426119680. Its totient is φ = 1141439040.

The previous prime is 4243310429. The next prime is 4243310501. The reversal of 4243310442 is 2440133424.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 428673 + ... + 438459.

It is an arithmetic number, because the mean of its divisors is an integer number (89266560).

Almost surely, 2^4243310442 is an apocalyptic number.

4243310442 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 4243310442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5713059840).

4243310442 is an abundant number, since it is smaller than the sum of its proper divisors (7182809238).

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

4243310442 is a wasteful number, since it uses less digits than its factorization.

4243310442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9873 (or 9867 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 4243310442 is about 65140.6972790436. The cubic root of 4243310442 is about 1618.9555888174.

Adding to 4243310442 its reverse (2440133424), we get a palindrome (6683443866).

The spelling of 4243310442 in words is "four billion, two hundred forty-three million, three hundred ten thousand, four hundred forty-two".