8464428244648 has 32 divisors (see below), whose sum is σ = 16383108672000. Its totient is φ = 4095605004480.

The previous prime is 8464428244631. The next prime is 8464428244663.

It is a happy number.

8464428244648 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 8464428244648.

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, 12374218 + ... + 13040326.

It is an arithmetic number, because the mean of its divisors is an integer number (511972146000).

Almost surely, 2^{8464428244648} is an apocalyptic number.

It is an amenable number.

8464428244648 is a deficient number, since it is larger than the sum of its proper divisors (7918680427352).

8464428244648 is a wasteful number, since it uses less digits than its factorization.

8464428244648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717385 (or 717381 counting only the distinct ones).

The product of its digits is 301989888, while the sum is 64.

The spelling of 8464428244648 in words is "eight trillion, four hundred sixty-four billion, four hundred twenty-eight million, two hundred forty-four thousand, six hundred forty-eight".