8268718789444 has 27 divisors (see below), whose sum is σ = 14514929933623. Its totient is φ = 4121635139072.

The previous prime is 8268718789433. The next prime is 8268718789469. The reversal of 8268718789444 is 4449878178628.

The square root of 8268718789444 is 2875538.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2227741323844 + 6040977465600 = 1492562^2 + 2457840^2 .

It is a super-4 number, since 4×8268718789444⁴ (a number of 53 digits) contains 4444 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2030127792 + ... + 2030131864.

Almost surely, 2^{8268718789444} is an apocalyptic number.

8268718789444 is the 2875538-th square number.

It is an amenable number.

8268718789444 is a deficient number, since it is larger than the sum of its proper divisors (6246211144179).

8268718789444 is an frugal number, since it uses more digits than its factorization.

8268718789444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8856 (or 4428 counting only the distinct ones).

The product of its digits is 1387266048, while the sum is 76.

The spelling of 8268718789444 in words is "eight trillion, two hundred sixty-eight billion, seven hundred eighteen million, seven hundred eighty-nine thousand, four hundred forty-four".