4043421344320 has 112 divisors (see below), whose sum is σ = 9658103843520. Its totient is φ = 1612386277376.

The previous prime is 4043421344279. The next prime is 4043421344353. The reversal of 4043421344320 is 234431243404.

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, 137689959 + ... + 137719321.

Almost surely, 2^{4043421344320} is an apocalyptic number.

4043421344320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4043421344320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4829051921760).

4043421344320 is an abundant number, since it is smaller than the sum of its proper divisors (5614682499200).

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

4043421344320 is a wasteful number, since it uses less digits than its factorization.

4043421344320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30692 (or 30682 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 4043421344320 its reverse (234431243404), we get a palindrome (4277852587724).

The spelling of 4043421344320 in words is "four trillion, forty-three billion, four hundred twenty-one million, three hundred forty-four thousand, three hundred twenty".