3230720000 has 140 divisors (see below), whose sum is σ = 8086517736. Its totient is φ = 1290240000.

The previous prime is 3230719907. The next prime is 3230720021. The reversal of 3230720000 is 270323.

It is a hoax number, since the sum of its digits (17) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5119685 + ... + 5120315.

Almost surely, 2^3230720000 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 3230720000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4043258868).

3230720000 is an abundant number, since it is smaller than the sum of its proper divisors (4855797736).

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

3230720000 is an frugal number, since it uses more digits than its factorization.

3230720000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677 (or 638 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 17.

The square root of 3230720000 is about 56839.4229386612. The cubic root of 3230720000 is about 1478.3131499488.

Adding to 3230720000 its reverse (270323), we get a palindrome (3230990323).

The spelling of 3230720000 in words is "three billion, two hundred thirty million, seven hundred twenty thousand".