285303753328 has 80 divisors (see below), whose sum is σ = 617473622016. Its totient is φ = 126591499520.

The previous prime is 285303753283. The next prime is 285303753341. The reversal of 285303753328 is 823357303582.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3123150 + ... + 3213202.

Almost surely, 2^285303753328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 285303753328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308736811008).

285303753328 is an abundant number, since it is smaller than the sum of its proper divisors (332169868688).

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

285303753328 is a wasteful number, since it uses less digits than its factorization.

285303753328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90502 (or 90496 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 49.

The spelling of 285303753328 in words is "two hundred eighty-five billion, three hundred three million, seven hundred fifty-three thousand, three hundred twenty-eight".