255685276 has 48 divisors (see below), whose sum is σ = 562205952. Its totient is φ = 98841600.

The previous prime is 255685249. The next prime is 255685277. The reversal of 255685276 is 672586552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255685277) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 37180 + ... + 43516.

It is an arithmetic number, because the mean of its divisors is an integer number (11712624).

Almost surely, 2^255685276 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 255685276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281102976).

255685276 is an abundant number, since it is smaller than the sum of its proper divisors (306520676).

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

255685276 is a wasteful number, since it uses less digits than its factorization.

255685276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6490 (or 6488 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 46.

The square root of 255685276 is about 15990.1618503379. The cubic root of 255685276 is about 634.7001092871.

The spelling of 255685276 in words is "two hundred fifty-five million, six hundred eighty-five thousand, two hundred seventy-six".