6448659232 has 48 divisors (see below), whose sum is σ = 13462122240. Its totient is φ = 3030258688.

The previous prime is 6448659179. The next prime is 6448659311. The reversal of 6448659232 is 2329568446.

It is a happy number.

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, 382893 + ... + 399379.

It is an arithmetic number, because the mean of its divisors is an integer number (280460880).

Almost surely, 2^6448659232 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 6448659232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6731061120).

6448659232 is an abundant number, since it is smaller than the sum of its proper divisors (7013463008).

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

6448659232 is a wasteful number, since it uses less digits than its factorization.

6448659232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17233 (or 17225 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 49.

The square root of 6448659232 is about 80303.5443302473. The cubic root of 6448659232 is about 1861.3289950766.

The spelling of 6448659232 in words is "six billion, four hundred forty-eight million, six hundred fifty-nine thousand, two hundred thirty-two".