6441648288 has 48 divisors (see below), whose sum is σ = 16996988736. Its totient is φ = 2136084480.

The previous prime is 6441648233. The next prime is 6441648307. The reversal of 6441648288 is 8828461446.

It is a tau number, because it is divible by the number of its divisors (48).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 6441648288.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155308 + ... + 192363.

It is an arithmetic number, because the mean of its divisors is an integer number (354103932).

Almost surely, 2^6441648288 is an apocalyptic number.

It is an amenable number.

6441648288 is an abundant number, since it is smaller than the sum of its proper divisors (10555340448).

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

6441648288 is a wasteful number, since it uses less digits than its factorization.

6441648288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347877 (or 347869 counting only the distinct ones).

The product of its digits is 2359296, while the sum is 51.

The square root of 6441648288 is about 80259.8796909141. The cubic root of 6441648288 is about 1860.6542085349.

The spelling of 6441648288 in words is "six billion, four hundred forty-one million, six hundred forty-eight thousand, two hundred eighty-eight".