255498880 has 256 divisors, whose sum is σ = 777288960. Its totient is φ = 78151680.

The previous prime is 255498857. The next prime is 255498889. The reversal of 255498880 is 88894552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255498889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2387787 + ... + 2387893.

It is an arithmetic number, because the mean of its divisors is an integer number (3036285).

Almost surely, 2^255498880 is an apocalyptic number.

255498880 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 255498880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388644480).

255498880 is an abundant number, since it is smaller than the sum of its proper divisors (521790080).

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

255498880 is a wasteful number, since it uses less digits than its factorization.

255498880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 49.

The square root of 255498880 is about 15984.3323288775. The cubic root of 255498880 is about 634.5458384800.

The spelling of 255498880 in words is "two hundred fifty-five million, four hundred ninety-eight thousand, eight hundred eighty".