1865853830228 has 12 divisors (see below), whose sum is σ = 3280719295392. Its totient is φ = 928505460120.

The previous prime is 1865853830201. The next prime is 1865853830231. The reversal of 1865853830228 is 8220383585681.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1105362800 + ... + 1105364487.

It is an arithmetic number, because the mean of its divisors is an integer number (273393274616).

Almost surely, 2^{1865853830228} is an apocalyptic number.

It is an amenable number.

1865853830228 is a deficient number, since it is larger than the sum of its proper divisors (1414865465164).

1865853830228 is a wasteful number, since it uses less digits than its factorization.

1865853830228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210727502 (or 2210727500 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 59.

The spelling of 1865853830228 in words is "one trillion, eight hundred sixty-five billion, eight hundred fifty-three million, eight hundred thirty thousand, two hundred twenty-eight".