285722994823680 has 320 divisors, whose sum is σ = 926159861975040. Its totient is φ = 75132618522624.

The previous prime is 285722994823613. The next prime is 285722994823699. The reversal of 285722994823680 is 86328499227582.

It is a tau number, because it is divible by the number of its divisors (320).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 477189447 + ... + 477787833.

It is an arithmetic number, because the mean of its divisors is an integer number (2894249568672).

Almost surely, 2^{285722994823680} is an apocalyptic number.

285722994823680 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 285722994823680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (463079930987520).

285722994823680 is an abundant number, since it is smaller than the sum of its proper divisors (640436867151360).

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

285722994823680 is an equidigital number, since it uses as much as digits as its factorization.

285722994823680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599279 (or 599263 counting only the distinct ones).

The product of its (nonzero) digits is 1672151040, while the sum is 75.

The spelling of 285722994823680 in words is "two hundred eighty-five trillion, seven hundred twenty-two billion, nine hundred ninety-four million, eight hundred twenty-three thousand, six hundred eighty".