6422558688 has 480 divisors, whose sum is σ = 23629104576. Its totient is φ = 1666179072.

The previous prime is 6422558677. The next prime is 6422558699. The reversal of 6422558688 is 8868552246.

It is a happy number.

6422558688 is a `hidden beast` number, since 6 + 4 + 2 + 2 + 558 + 6 + 88 = 666.

It is an interprime number because it is at equal distance from previous prime (6422558677) and next prime (6422558699).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

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 79 ways as a sum of consecutive naturals, for example, 17218470 + ... + 17218842.

Almost surely, 2^6422558688 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 6422558688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11814552288).

6422558688 is an abundant number, since it is smaller than the sum of its proper divisors (17206545888).

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

6422558688 is a wasteful number, since it uses less digits than its factorization.

6422558688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488 (or 471 counting only the distinct ones).

The product of its digits is 7372800, while the sum is 54.

The square root of 6422558688 is about 80140.8677766843. The cubic root of 6422558688 is about 1858.8143953147.

It can be divided in two parts, 6422558 and 688, that added together give a palindrome (6423246).

The spelling of 6422558688 in words is "six billion, four hundred twenty-two million, five hundred fifty-eight thousand, six hundred eighty-eight".