6303434440 has 16 divisors (see below), whose sum is σ = 14182727580. Its totient is φ = 2521373760.

The previous prime is 6303434393. The next prime is 6303434443. The reversal of 6303434440 is 444343036.

It can be written as a sum of positive squares in 2 ways, for example, as 6294518244 + 8916196 = 79338^2 + 2986^2 .

It is a super-2 number, since 2×6303434440² = 79466571478756227200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6303434443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78792891 + ... + 78792970.

Almost surely, 2^6303434440 is an apocalyptic number.

It is an amenable number.

6303434440 is an abundant number, since it is smaller than the sum of its proper divisors (7879293140).

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

6303434440 is a wasteful number, since it uses less digits than its factorization.

6303434440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157585872 (or 157585868 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 31.

The square root of 6303434440 is about 79394.1713225851. The cubic root of 6303434440 is about 1847.2503041831.

Adding to 6303434440 its reverse (444343036), we get a palindrome (6747777476).

The spelling of 6303434440 in words is "six billion, three hundred three million, four hundred thirty-four thousand, four hundred forty".