4320240320 has 112 divisors (see below), whose sum is σ = 11339401248. Its totient is φ = 1554677760.

The previous prime is 4320240317. The next prime is 4320240371. The reversal of 4320240320 is 230420234.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4320240292 and 4320240301.

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, 335114 + ... + 347766.

It is an arithmetic number, because the mean of its divisors is an integer number (101244654).

Almost surely, 2^4320240320 is an apocalyptic number.

4320240320 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 4320240320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5669700624).

4320240320 is an abundant number, since it is smaller than the sum of its proper divisors (7019160928).

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

4320240320 is a wasteful number, since it uses less digits than its factorization.

4320240320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12778 (or 12768 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 4320240320 is about 65728.5350513763. The cubic root of 4320240320 is about 1628.6807698063.

Adding to 4320240320 its reverse (230420234), we get a palindrome (4550660554).

The spelling of 4320240320 in words is "four billion, three hundred twenty million, two hundred forty thousand, three hundred twenty".