4320440312 has 16 divisors (see below), whose sum is σ = 8214922800. Its totient is φ = 2129794240.

The previous prime is 4320440287. The next prime is 4320440317. The reversal of 4320440312 is 2130440234.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4320440317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3802637 + ... + 3803772.

It is an arithmetic number, because the mean of its divisors is an integer number (513432675).

Almost surely, 2^4320440312 is an apocalyptic number.

It is an amenable number.

4320440312 is a deficient number, since it is larger than the sum of its proper divisors (3894482488).

4320440312 is a wasteful number, since it uses less digits than its factorization.

4320440312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7606486 (or 7606482 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 4320440312 is about 65730.0563821453. The cubic root of 4320440312 is about 1628.7059009776.

Adding to 4320440312 its reverse (2130440234), we get a palindrome (6450880546).

The spelling of 4320440312 in words is "four billion, three hundred twenty million, four hundred forty thousand, three hundred twelve".