8442046868 has 24 divisors (see below), whose sum is σ = 15466178112. Its totient is φ = 4024335744.

The previous prime is 8442046861. The next prime is 8442046897. The reversal of 8442046868 is 8686402448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8442046861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121205 + ... + 177692.

It is an arithmetic number, because the mean of its divisors is an integer number (644424088).

Almost surely, 2^8442046868 is an apocalyptic number.

It is an amenable number.

8442046868 is a deficient number, since it is larger than the sum of its proper divisors (7024131244).

8442046868 is a wasteful number, since it uses less digits than its factorization.

8442046868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299231 (or 299229 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 50.

The square root of 8442046868 is about 91880.6120354017. The cubic root of 8442046868 is about 2036.1788385872.

The spelling of 8442046868 in words is "eight billion, four hundred forty-two million, forty-six thousand, eight hundred sixty-eight".