4324220421234 has 128 divisors (see below), whose sum is σ = 10678081996800. Its totient is φ = 1140039774720.

The previous prime is 4324220421233. The next prime is 4324220421263. The reversal of 4324220421234 is 4321240224234.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4324220421195 and 4324220421204.

It is not an unprimeable number, because it can be changed into a prime (4324220421233) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4304104 + ... + 5212844.

It is an arithmetic number, because the mean of its divisors is an integer number (83422515600).

Almost surely, 2^{4324220421234} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4324220421234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5339040998400).

4324220421234 is an abundant number, since it is smaller than the sum of its proper divisors (6353861575566).

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

4324220421234 is a wasteful number, since it uses less digits than its factorization.

4324220421234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908928.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 4324220421234 its reverse (4321240224234), we get a palindrome (8645460645468).

The spelling of 4324220421234 in words is "four trillion, three hundred twenty-four billion, two hundred twenty million, four hundred twenty-one thousand, two hundred thirty-four".