2303030440 has 16 divisors (see below), whose sum is σ = 5181818580. Its totient is φ = 921212160.

The previous prime is 2303030399. The next prime is 2303030449. The reversal of 2303030440 is 440303032.

It can be written as a sum of positive squares in 2 ways, for example, as 2223499716 + 79530724 = 47154^2 + 8918^2 .

It is not an unprimeable number, because it can be changed into a prime (2303030449) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 28787841 + ... + 28787920.

Almost surely, 2^2303030440 is an apocalyptic number.

2303030440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2303030440 is an abundant number, since it is smaller than the sum of its proper divisors (2878788140).

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

2303030440 is a wasteful number, since it uses less digits than its factorization.

2303030440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57575772 (or 57575768 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 2303030440 is about 47989.8993539266. The cubic root of 2303030440 is about 1320.5856064006.

Adding to 2303030440 its reverse (440303032), we get a palindrome (2743333472).

The spelling of 2303030440 in words is "two billion, three hundred three million, thirty thousand, four hundred forty".