6448368752 has 80 divisors (see below), whose sum is σ = 14641896192. Its totient is φ = 2693537280.

The previous prime is 6448368749. The next prime is 6448368761. The reversal of 6448368752 is 2578638446.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6448368694 and 6448368703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2825852 + ... + 2828132.

Almost surely, 2^6448368752 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 6448368752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7320948096).

6448368752 is an abundant number, since it is smaller than the sum of its proper divisors (8193527440).

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

6448368752 is a wasteful number, since it uses less digits than its factorization.

6448368752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2926 (or 2920 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 53.

The square root of 6448368752 is about 80301.7356724000. The cubic root of 6448368752 is about 1861.3010467881.

The spelling of 6448368752 in words is "six billion, four hundred forty-eight million, three hundred sixty-eight thousand, seven hundred fifty-two".