4234434432340 has 96 divisors (see below), whose sum is σ = 10268762757120. Its totient is φ = 1436650020864.

The previous prime is 4234434432329. The next prime is 4234434432343. The reversal of 4234434432340 is 432344344324.

It is a junction number, because it is equal to n+sod(n) for n = 4234434432293 and 4234434432302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4234434432343) 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, 136857352 + ... + 136888288.

It is an arithmetic number, because the mean of its divisors is an integer number (106966278720).

Almost surely, 2^{4234434432340} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4234434432340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5134381378560).

4234434432340 is an abundant number, since it is smaller than the sum of its proper divisors (6034328324780).

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

4234434432340 is a wasteful number, since it uses less digits than its factorization.

4234434432340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41129 (or 41127 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 40.

Adding to 4234434432340 its reverse (432344344324), we get a palindrome (4666778776664).

The spelling of 4234434432340 in words is "four trillion, two hundred thirty-four billion, four hundred thirty-four million, four hundred thirty-two thousand, three hundred forty".