255801308 has 48 divisors (see below), whose sum is σ = 539965440. Its totient is φ = 103661184.

The previous prime is 255801277. The next prime is 255801317. The reversal of 255801308 is 803108552.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55085 + ... + 59547.

It is an arithmetic number, because the mean of its divisors is an integer number (11249280).

Almost surely, 2^255801308 is an apocalyptic number.

255801308 is a gapful number since it is divisible by the number (28) 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 255801308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269982720).

255801308 is an abundant number, since it is smaller than the sum of its proper divisors (284164132).

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

255801308 is a wasteful number, since it uses less digits than its factorization.

255801308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4586 (or 4584 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 255801308 is about 15993.7896697437. The cubic root of 255801308 is about 634.7961054101.

The spelling of 255801308 in words is "two hundred fifty-five million, eight hundred one thousand, three hundred eight".