255316900 has 72 divisors (see below), whose sum is σ = 573713280. Its totient is φ = 98567040.

The previous prime is 255316871. The next prime is 255316921. The reversal of 255316900 is 9613552.

It is a super-2 number, since 2×255316900² = 130373438851220000, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 354741 + ... + 355459.

It is an arithmetic number, because the mean of its divisors is an integer number (7968240).

Almost surely, 2^255316900 is an apocalyptic number.

255316900 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 255316900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286856640).

255316900 is an abundant number, since it is smaller than the sum of its proper divisors (318396380).

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

255316900 is a wasteful number, since it uses less digits than its factorization.

255316900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853 (or 846 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 255316900 is about 15978.6388656857. The cubic root of 255316900 is about 634.3951501765.

The spelling of 255316900 in words is "two hundred fifty-five million, three hundred sixteen thousand, nine hundred".