6321384340 has 24 divisors (see below), whose sum is σ = 13473042912. Its totient is φ = 2490813600.

The previous prime is 6321384319. The next prime is 6321384347. The reversal of 6321384340 is 434831236.

It is a junction number, because it is equal to n+sod(n) for n = 6321384296 and 6321384305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6321384347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2357386 + ... + 2360065.

It is an arithmetic number, because the mean of its divisors is an integer number (561376788).

Almost surely, 2^6321384340 is an apocalyptic number.

It is an amenable number.

6321384340 is an abundant number, since it is smaller than the sum of its proper divisors (7151658572).

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

6321384340 is a wasteful number, since it uses less digits than its factorization.

6321384340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4717527 (or 4717525 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 6321384340 is about 79507.1338937582. The cubic root of 6321384340 is about 1849.0020758716.

The spelling of 6321384340 in words is "six billion, three hundred twenty-one million, three hundred eighty-four thousand, three hundred forty".