6384686880 has 384 divisors, whose sum is σ = 23800283136. Its totient is φ = 1418342400.

The previous prime is 6384686843. The next prime is 6384686921. The reversal of 6384686880 is 886864836.

It is a self number, because there is not a number n which added to its sum of digits gives 6384686880.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13109997 + ... + 13110483.

It is an arithmetic number, because the mean of its divisors is an integer number (61979904).

Almost surely, 2^6384686880 is an apocalyptic number.

6384686880 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6384686880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11900141568).

6384686880 is an abundant number, since it is smaller than the sum of its proper divisors (17415596256).

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

6384686880 is a wasteful number, since it uses less digits than its factorization.

6384686880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720 (or 712 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 57.

The square root of 6384686880 is about 79904.2356824718. The cubic root of 6384686880 is about 1855.1535757265.

The spelling of 6384686880 in words is "six billion, three hundred eighty-four million, six hundred eighty-six thousand, eight hundred eighty".