255825280 has 32 divisors (see below), whose sum is σ = 611583840. Its totient is φ = 102329856.

The previous prime is 255825263. The next prime is 255825301. The reversal of 255825280 is 82528552.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199224 + ... + 200503.

It is an arithmetic number, because the mean of its divisors is an integer number (19111995).

Almost surely, 2^255825280 is an apocalyptic number.

255825280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255825280 is an abundant number, since it is smaller than the sum of its proper divisors (355758560).

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

255825280 is an equidigital number, since it uses as much as digits as its factorization.

255825280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399746 (or 399734 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 37.

The square root of 255825280 is about 15994.5390680695. The cubic root of 255825280 is about 634.8159344159.

The spelling of 255825280 in words is "two hundred fifty-five million, eight hundred twenty-five thousand, two hundred eighty".