4243434424242 has 64 divisors (see below), whose sum is σ = 9396581246976. Its totient is φ = 1269263338560.

The previous prime is 4243434424193. The next prime is 4243434424259. The reversal of 4243434424242 is 2424244343424.

It is a junction number, because it is equal to n+sod(n) for n = 4243434424194 and 4243434424203.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2290378 + ... + 3705765.

It is an arithmetic number, because the mean of its divisors is an integer number (146821581984).

Almost surely, 2^{4243434424242} is an apocalyptic number.

4243434424242 is an abundant number, since it is smaller than the sum of its proper divisors (5153146822734).

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

4243434424242 is a wasteful number, since it uses less digits than its factorization.

4243434424242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5996415.

The product of its digits is 2359296, while the sum is 42.

Adding to 4243434424242 its reverse (2424244343424), we get a palindrome (6667678767666).

The spelling of 4243434424242 in words is "four trillion, two hundred forty-three billion, four hundred thirty-four million, four hundred twenty-four thousand, two hundred forty-two".