255285603330 has 64 divisors (see below), whose sum is σ = 629648038656. Its totient is φ = 66202112000.

The previous prime is 255285603319. The next prime is 255285603359. The reversal of 255285603330 is 33306582552.

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, 48850 + ... + 716210.

It is an arithmetic number, because the mean of its divisors is an integer number (9838250604).

Almost surely, 2^255285603330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255285603330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314824019328).

255285603330 is an abundant number, since it is smaller than the sum of its proper divisors (374362435326).

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

255285603330 is a wasteful number, since it uses less digits than its factorization.

255285603330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667723.

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 255285603330 in words is "two hundred fifty-five billion, two hundred eighty-five million, six hundred three thousand, three hundred thirty".