285360146827020 has 144 divisors (see below), whose sum is σ = 878595690292320. Its totient is φ = 74953113827328.

The previous prime is 285360146826949. The next prime is 285360146827037. The reversal of 285360146827020 is 20728641063582.

285360146827020 is a `hidden beast` number, since 2 + 8 + 5 + 3 + 601 + 4 + 6 + 8 + 2 + 7 + 0 + 20 = 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, 125661426 + ... + 127912134.

Almost surely, 2^{285360146827020} is an apocalyptic number.

285360146827020 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 285360146827020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (439297845146160).

285360146827020 is an abundant number, since it is smaller than the sum of its proper divisors (593235543465300).

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

285360146827020 is a wasteful number, since it uses less digits than its factorization.

285360146827020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261304 (or 2261299 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 54.

The spelling of 285360146827020 in words is "two hundred eighty-five trillion, three hundred sixty billion, one hundred forty-six million, eight hundred twenty-seven thousand, twenty".