4430220321320 has 128 divisors (see below), whose sum is σ = 10730427402240. Its totient is φ = 1641830446080.

The previous prime is 4430220321281. The next prime is 4430220321323. The reversal of 4430220321320 is 231230220344.

It is a self number, because there is not a number n which added to its sum of digits gives 4430220321320.

It is not an unprimeable number, because it can be changed into a prime (4430220321323) 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, 7299110 + ... + 7882730.

It is an arithmetic number, because the mean of its divisors is an integer number (83831464080).

Almost surely, 2^{4430220321320} is an apocalyptic number.

4430220321320 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 4430220321320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5365213701120).

4430220321320 is an abundant number, since it is smaller than the sum of its proper divisors (6300207080920).

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

4430220321320 is a wasteful number, since it uses less digits than its factorization.

4430220321320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583915 (or 583911 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 4430220321320 its reverse (231230220344), we get a palindrome (4661450541664).

The spelling of 4430220321320 in words is "four trillion, four hundred thirty billion, two hundred twenty million, three hundred twenty-one thousand, three hundred twenty".