2321040330 has 144 divisors (see below), whose sum is σ = 7048706184. Its totient is φ = 528353280.

The previous prime is 2321040307. The next prime is 2321040341. The reversal of 2321040330 is 330401232.

2321040330 is a `hidden beast` number, since 23 + 210 + 403 + 30 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1392558489 + 928481841 = 37317^2 + 30471^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1238274 + ... + 1240146.

Almost surely, 2^2321040330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2321040330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3524353092).

2321040330 is an abundant number, since it is smaller than the sum of its proper divisors (4727665854).

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

2321040330 is a wasteful number, since it uses less digits than its factorization.

2321040330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2181 (or 2171 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2321040330 is about 48177.1764427929. The cubic root of 2321040330 is about 1324.0190351647.

Adding to 2321040330 its reverse (330401232), we get a palindrome (2651441562).

The spelling of 2321040330 in words is "two billion, three hundred twenty-one million, forty thousand, three hundred thirty".