255751680 has 80 divisors (see below), whose sum is σ = 817630704. Its totient is φ = 68198400.

The previous prime is 255751679. The next prime is 255751687. The reversal of 255751680 is 86157552.

255751680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255751687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8971 + ... + 24330.

Almost surely, 2^255751680 is an apocalyptic number.

255751680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255751680 is an abundant number, since it is smaller than the sum of its proper divisors (561879024).

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

255751680 is an equidigital number, since it uses as much as digits as its factorization.

255751680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33327 (or 33311 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 39.

The square root of 255751680 is about 15992.2381172868. The cubic root of 255751680 is about 634.7550505005.

The spelling of 255751680 in words is "two hundred fifty-five million, seven hundred fifty-one thousand, six hundred eighty".