6439150368 has 432 divisors, whose sum is σ = 22587102720. Its totient is φ = 1732147200.

The previous prime is 6439150351. The next prime is 6439150379. The reversal of 6439150368 is 8630519346.

6439150368 is a `hidden beast` number, since 6 + 439 + 150 + 3 + 68 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 17936173 + ... + 17936531.

It is an arithmetic number, because the mean of its divisors is an integer number (52284960).

Almost surely, 2^6439150368 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 6439150368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11293551360).

6439150368 is an abundant number, since it is smaller than the sum of its proper divisors (16147952352).

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

6439150368 is a wasteful number, since it uses less digits than its factorization.

6439150368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461 (or 443 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 6439150368 is about 80244.3167333363. The cubic root of 6439150368 is about 1860.4136714319.

The spelling of 6439150368 in words is "six billion, four hundred thirty-nine million, one hundred fifty thousand, three hundred sixty-eight".