6430343340 has 24 divisors (see below), whose sum is σ = 18004961520. Its totient is φ = 1714758208.

The previous prime is 6430343327. The next prime is 6430343351. The reversal of 6430343340 is 433430346.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 6430343298 and 6430343307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53586135 + ... + 53586254.

It is an arithmetic number, because the mean of its divisors is an integer number (750206730).

Almost surely, 2^6430343340 is an apocalyptic number.

6430343340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6430343340 is an abundant number, since it is smaller than the sum of its proper divisors (11574618180).

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

6430343340 is a wasteful number, since it uses less digits than its factorization.

6430343340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107172401 (or 107172399 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 30.

The square root of 6430343340 is about 80189.4216215580. The cubic root of 6430343340 is about 1859.5651023918.

Adding to 6430343340 its reverse (433430346), we get a palindrome (6863773686).

The spelling of 6430343340 in words is "six billion, four hundred thirty million, three hundred forty-three thousand, three hundred forty".