6422314640 has 160 divisors (see below), whose sum is σ = 18543575040. Its totient is φ = 2018649600.

The previous prime is 6422314603. The next prime is 6422314643. The reversal of 6422314640 is 464132246.

It is a super-2 number, since 2×6422314640² = 82492250670316659200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6422314597 and 6422314606.

It is not an unprimeable number, because it can be changed into a prime (6422314643) 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 31 ways as a sum of consecutive naturals, for example, 320105 + ... + 339575.

It is an arithmetic number, because the mean of its divisors is an integer number (115897344).

Almost surely, 2^6422314640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6422314640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9271787520).

6422314640 is an abundant number, since it is smaller than the sum of its proper divisors (12121260400).

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

6422314640 is a wasteful number, since it uses less digits than its factorization.

6422314640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19541 (or 19535 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 6422314640 is about 80139.3451433190. The cubic root of 6422314640 is about 1858.7908509246.

Adding to 6422314640 its reverse (464132246), we get a palindrome (6886446886).

The spelling of 6422314640 in words is "six billion, four hundred twenty-two million, three hundred fourteen thousand, six hundred forty".