285260673604 has 9 divisors (see below), whose sum is σ = 499208048157. Its totient is φ = 142629802704.

The previous prime is 285260673583. The next prime is 285260673613. The reversal of 285260673604 is 406376062582.

The square root of 285260673604 is 534098.

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

It can be written as a sum of positive squares in only one way, i.e., 244132833604 + 41127840000 = 494098^2 + 202800^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 934672 + ... + 1201720.

Almost surely, 2^285260673604 is an apocalyptic number.

285260673604 is the 534098-th square number.

It is an amenable number.

285260673604 is a deficient number, since it is larger than the sum of its proper divisors (213947374553).

285260673604 is an frugal number, since it uses more digits than its factorization.

285260673604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534102 (or 267051 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 49.

Multiplying 285260673604 by its sum of digits (49), we get a square (13977773006596 = 3738686²).

The spelling of 285260673604 in words is "two hundred eighty-five billion, two hundred sixty million, six hundred seventy-three thousand, six hundred four".