285275448 has 48 divisors (see below), whose sum is σ = 780605280. Its totient is φ = 94109184.

The previous prime is 285275413. The next prime is 285275449. The reversal of 285275448 is 844572582.

285275448 is a `hidden beast` number, since 2 + 85 + 27 + 544 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285275449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13440 + ... + 27407.

It is an arithmetic number, because the mean of its divisors is an integer number (16262610).

Almost surely, 2^285275448 is an apocalyptic number.

It is an amenable number.

285275448 is an abundant number, since it is smaller than the sum of its proper divisors (495329832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

285275448 is a wasteful number, since it uses less digits than its factorization.

285275448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40956 (or 40949 counting only the distinct ones).

The product of its digits is 716800, while the sum is 45.

The square root of 285275448 is about 16890.0991116097. The cubic root of 285275448 is about 658.2963776652.

The spelling of 285275448 in words is "two hundred eighty-five million, two hundred seventy-five thousand, four hundred forty-eight".