285985647486000 has 3200 divisors, whose sum is σ = 1316128456101888. Its totient is φ = 58136279040000.

The previous prime is 285985647485731. The next prime is 285985647486037. The reversal of 285985647486000 is 684746589582.

285985647486000 is a `hidden beast` number, since 2 + 8 + 5 + 9 + 8 + 5 + 6 + 4 + 7 + 4 + 8 + 600 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 285985647486000.

It is an unprimeable number.

It is a polite number, since it can be written in 639 ways as a sum of consecutive naturals, for example, 121334596822 + ... + 121334599178.

Almost surely, 2^{285985647486000} is an apocalyptic number.

285985647486000 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 285985647486000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (658064228050944).

285985647486000 is an abundant number, since it is smaller than the sum of its proper divisors (1030142808615888).

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

285985647486000 is a wasteful number, since it uses less digits than its factorization.

285985647486000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618 (or 2593 counting only the distinct ones).

The product of its (nonzero) digits is 928972800, while the sum is 72.

The spelling of 285985647486000 in words is "two hundred eighty-five trillion, nine hundred eighty-five billion, six hundred forty-seven million, four hundred eighty-six thousand".