255808602 has 72 divisors (see below), whose sum is σ = 651452256. Its totient is φ = 71064864.

The previous prime is 255808561. The next prime is 255808633. The reversal of 255808602 is 206808552.

255808602 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 35 ways as a sum of consecutive naturals, for example, 171753 + ... + 173235.

It is an arithmetic number, because the mean of its divisors is an integer number (9047948).

Almost surely, 2^255808602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255808602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325726128).

255808602 is an abundant number, since it is smaller than the sum of its proper divisors (395643654).

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

255808602 is a wasteful number, since it uses less digits than its factorization.

255808602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572 (or 1532 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 255808602 is about 15994.0176941255. The cubic root of 255808602 is about 634.8021389455.

Subtracting from 255808602 its reverse (206808552), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 255808602 in words is "two hundred fifty-five million, eight hundred eight thousand, six hundred two".