4321322240 has 72 divisors (see below), whose sum is σ = 10380249600. Its totient is φ = 1723631616.

The previous prime is 4321322233. The next prime is 4321322267. The reversal of 4321322240 is 422231234.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465161 + ... + 474359.

Almost surely, 2^4321322240 is an apocalyptic number.

4321322240 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 4321322240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5190124800).

4321322240 is an abundant number, since it is smaller than the sum of its proper divisors (6058927360).

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

4321322240 is an equidigital number, since it uses as much as digits as its factorization.

4321322240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9587 (or 9573 counting only the distinct ones).

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

The square root of 4321322240 is about 65736.7647515452. The cubic root of 4321322240 is about 1628.8167155789.

Adding to 4321322240 its reverse (422231234), we get a palindrome (4743553474).

The spelling of 4321322240 in words is "four billion, three hundred twenty-one million, three hundred twenty-two thousand, two hundred forty".