8442602480644 has 24 divisors (see below), whose sum is σ = 15654748609080. Its totient is φ = 3970169634816.

The previous prime is 8442602480621. The next prime is 8442602480681. The reversal of 8442602480644 is 4460842062448.

It can be written as a sum of positive squares in 4 ways, for example, as 118396551744 + 8324205928900 = 344088^2 + 2885170^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8442602480591 and 8442602480600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43962357 + ... + 44153980.

It is an arithmetic number, because the mean of its divisors is an integer number (652281192045).

Almost surely, 2^{8442602480644} is an apocalyptic number.

It is an amenable number.

8442602480644 is a deficient number, since it is larger than the sum of its proper divisors (7212146128436).

8442602480644 is a wasteful number, since it uses less digits than its factorization.

8442602480644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88117767 (or 88117765 counting only the distinct ones).

The product of its (nonzero) digits is 9437184, while the sum is 52.

The spelling of 8442602480644 in words is "eight trillion, four hundred forty-two billion, six hundred two million, four hundred eighty thousand, six hundred forty-four".