6448795776 has 512 divisors, whose sum is σ = 21811680000. Its totient is φ = 1863254016.

The previous prime is 6448795753. The next prime is 6448795813. The reversal of 6448795776 is 6775978446.

6448795776 is a `hidden beast` number, since 6 + 448 + 79 + 57 + 76 = 666.

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, 59163210 + ... + 59163318.

Almost surely, 2^6448795776 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 6448795776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10905840000).

6448795776 is an abundant number, since it is smaller than the sum of its proper divisors (15362884224).

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

6448795776 is a wasteful number, since it uses less digits than its factorization.

6448795776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 203 counting only the distinct ones).

The product of its digits is 71124480, while the sum is 63.

The square root of 6448795776 is about 80304.3944999276. The cubic root of 6448795776 is about 1861.3421322525.

The spelling of 6448795776 in words is "six billion, four hundred forty-eight million, seven hundred ninety-five thousand, seven hundred seventy-six".