285050880 has 192 divisors, whose sum is σ = 1014249600. Its totient is φ = 75939840.

The previous prime is 285050879. The next prime is 285050933. The reversal of 285050880 is 88050582.

285050880 is a `hidden beast` number, since 28 + 50 + 508 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275965 + ... + 276995.

It is an arithmetic number, because the mean of its divisors is an integer number (5282550).

Almost surely, 2^285050880 is an apocalyptic number.

285050880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 285050880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (507124800).

285050880 is an abundant number, since it is smaller than the sum of its proper divisors (729198720).

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

285050880 is a wasteful number, since it uses less digits than its factorization.

285050880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067 (or 1041 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The square root of 285050880 is about 16883.4498844282. The cubic root of 285050880 is about 658.1235959905.

The spelling of 285050880 in words is "two hundred eighty-five million, fifty thousand, eight hundred eighty".