4243334431420 has 48 divisors (see below), whose sum is σ = 10189097856000. Its totient is φ = 1454129630784.

The previous prime is 4243334431411. The next prime is 4243334431477. The reversal of 4243334431420 is 241344333424.

It is a self number, because there is not a number n which added to its sum of digits gives 4243334431420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7301314 + ... + 7861033.

It is an arithmetic number, because the mean of its divisors is an integer number (212272872000).

Almost surely, 2^{4243334431420} is an apocalyptic number.

It is an amenable number.

4243334431420 is an abundant number, since it is smaller than the sum of its proper divisors (5945763424580).

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

4243334431420 is a wasteful number, since it uses less digits than its factorization.

4243334431420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15164362 (or 15164360 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 37.

Adding to 4243334431420 its reverse (241344333424), we get a palindrome (4484678764844).

The spelling of 4243334431420 in words is "four trillion, two hundred forty-three billion, three hundred thirty-four million, four hundred thirty-one thousand, four hundred twenty".