385533062186728 has 8 divisors (see below), whose sum is σ = 722874491600130. Its totient is φ = 192766531093360.

The previous prime is 385533062186717. The next prime is 385533062186743. The reversal of 385533062186728 is 827681260335583.

It can be written as a sum of positive squares in only one way, i.e., 377523267881764 + 8009794304964 = 19429958^2 + 2830158^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24095816386663 + ... + 24095816386678.

Almost surely, 2^{385533062186728} is an apocalyptic number.

It is an amenable number.

385533062186728 is a deficient number, since it is larger than the sum of its proper divisors (337341429413402).

385533062186728 is a wasteful number, since it uses less digits than its factorization.

385533062186728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48191632773347 (or 48191632773343 counting only the distinct ones).

The product of its (nonzero) digits is 348364800, while the sum is 67.

The spelling of 385533062186728 in words is "three hundred eighty-five trillion, five hundred thirty-three billion, sixty-two million, one hundred eighty-six thousand, seven hundred twenty-eight".