8174945444 has 6 divisors (see below), whose sum is σ = 14306154534. Its totient is φ = 4087472720.

The previous prime is 8174945419. The next prime is 8174945479. The reversal of 8174945444 is 4445494718.

It can be written as a sum of positive squares in only one way, i.e., 7504756900 + 670188544 = 86630^2 + 25888^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8174945392 and 8174945401.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021868177 + ... + 1021868184.

It is an arithmetic number, because the mean of its divisors is an integer number (2384359089).

Almost surely, 2^8174945444 is an apocalyptic number.

It is an amenable number.

8174945444 is a deficient number, since it is larger than the sum of its proper divisors (6131209090).

8174945444 is a wasteful number, since it uses less digits than its factorization.

8174945444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043736365 (or 2043736363 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 50.

The square root of 8174945444 is about 90415.4049042529. The cubic root of 8174945444 is about 2014.4737890386.

The spelling of 8174945444 in words is "eight billion, one hundred seventy-four million, nine hundred forty-five thousand, four hundred forty-four".