8644628264468 has 48 divisors (see below), whose sum is σ = 18200974471680. Its totient is φ = 3509510206176.

The previous prime is 8644628264429. The next prime is 8644628264537.

8644628264468 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 8644628264398 and 8644628264407.

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, 4767971 + ... + 6326357.

It is an arithmetic number, because the mean of its divisors is an integer number (379186968160).

Almost surely, 2^{8644628264468} is an apocalyptic number.

It is an amenable number.

8644628264468 is an abundant number, since it is smaller than the sum of its proper divisors (9556346207212).

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

8644628264468 is a wasteful number, since it uses less digits than its factorization.

8644628264468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568844 (or 1568842 counting only the distinct ones).

The product of its digits is 679477248, while the sum is 68.

The spelling of 8644628264468 in words is "eight trillion, six hundred forty-four billion, six hundred twenty-eight million, two hundred sixty-four thousand, four hundred sixty-eight".