285325008199680 has 896 divisors, whose sum is σ = 976147518343680. Its totient is φ = 70952712929280.

The previous prime is 285325008199657. The next prime is 285325008199681. The reversal of 285325008199680 is 86991800523582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285325008199681) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 104476383915 + ... + 104476386645.

Almost surely, 2^{285325008199680} is an apocalyptic number.

285325008199680 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 285325008199680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (488073759171840).

285325008199680 is an abundant number, since it is smaller than the sum of its proper divisors (690822510144000).

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

285325008199680 is a wasteful number, since it uses less digits than its factorization.

285325008199680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3470 (or 3446 counting only the distinct ones).

The product of its (nonzero) digits is 74649600, while the sum is 66.

The spelling of 285325008199680 in words is "two hundred eighty-five trillion, three hundred twenty-five billion, eight million, one hundred ninety-nine thousand, six hundred eighty".