7644364368 has 20 divisors (see below), whose sum is σ = 19747941408. Its totient is φ = 2548121440.

The previous prime is 7644364339. The next prime is 7644364393. The reversal of 7644364368 is 8634634467.

It is a self number, because there is not a number n which added to its sum of digits gives 7644364368.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79628748 + ... + 79628843.

Almost surely, 2^7644364368 is an apocalyptic number.

It is an amenable number.

7644364368 is an abundant number, since it is smaller than the sum of its proper divisors (12103577040).

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

7644364368 is a wasteful number, since it uses less digits than its factorization.

7644364368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159257602 (or 159257596 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 51.

The square root of 7644364368 is about 87432.0557232872. The cubic root of 7644364368 is about 1969.9133640514.

The spelling of 7644364368 in words is "seven billion, six hundred forty-four million, three hundred sixty-four thousand, three hundred sixty-eight".