285000534450 has 96 divisors (see below), whose sum is σ = 785568827520. Its totient is φ = 75977496000.

The previous prime is 285000534431. The next prime is 285000534487. The reversal of 285000534450 is 54435000582.

285000534450 is a `hidden beast` number, since 2 + 85 + 0 + 0 + 0 + 534 + 45 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4772275 + ... + 4831625.

It is an arithmetic number, because the mean of its divisors is an integer number (8183008620).

Almost surely, 2^285000534450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 285000534450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392784413760).

285000534450 is an abundant number, since it is smaller than the sum of its proper divisors (500568293070).

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

285000534450 is a wasteful number, since it uses less digits than its factorization.

285000534450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62929 (or 62918 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 285000534450 in words is "two hundred eighty-five billion, five hundred thirty-four thousand, four hundred fifty".