285377928000 has 896 divisors, whose sum is σ = 1098628337664. Its totient is φ = 64576512000.

The previous prime is 285377927981. The next prime is 285377928037. The reversal of 285377928000 is 829773582.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 261095454 + ... + 261096546.

Almost surely, 2^285377928000 is an apocalyptic number.

285377928000 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 285377928000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (549314168832).

285377928000 is an abundant number, since it is smaller than the sum of its proper divisors (813250409664).

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

285377928000 is a wasteful number, since it uses less digits than its factorization.

285377928000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200 (or 1180 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 285377928000 in words is "two hundred eighty-five billion, three hundred seventy-seven million, nine hundred twenty-eight thousand".