6450318056 has 256 divisors, whose sum is σ = 16558080000. Its totient is φ = 2331866880.

The previous prime is 6450318013. The next prime is 6450318079. The reversal of 6450318056 is 6508130546.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 21010655 + ... + 21010961.

It is an arithmetic number, because the mean of its divisors is an integer number (64680000).

Almost surely, 2^6450318056 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 6450318056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8279040000).

6450318056 is an abundant number, since it is smaller than the sum of its proper divisors (10107761944).

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

6450318056 is a wasteful number, since it uses less digits than its factorization.

6450318056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 6450318056 is about 80313.8721268001. The cubic root of 6450318056 is about 1861.4885813507.

The spelling of 6450318056 in words is "six billion, four hundred fifty million, three hundred eighteen thousand, fifty-six".