285441488 has 10 divisors (see below), whose sum is σ = 553042914. Its totient is φ = 142720736.

The previous prime is 285441487. The next prime is 285441511. The reversal of 285441488 is 884144582.

It can be written as a sum of positive squares in only one way, i.e., 274498624 + 10942864 = 16568^2 + 3308^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285441487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8920031 + ... + 8920062.

Almost surely, 2^285441488 is an apocalyptic number.

It is an amenable number.

285441488 is a deficient number, since it is larger than the sum of its proper divisors (267601426).

285441488 is a wasteful number, since it uses less digits than its factorization.

285441488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17840101 (or 17840095 counting only the distinct ones).

The product of its digits is 327680, while the sum is 44.

The square root of 285441488 is about 16895.0137022732. The cubic root of 285441488 is about 658.4240698449.

The spelling of 285441488 in words is "two hundred eighty-five million, four hundred forty-one thousand, four hundred eighty-eight".