255781008 has 60 divisors (see below), whose sum is σ = 818096448. Its totient is φ = 73080000.

The previous prime is 255781007. The next prime is 255781051. The reversal of 255781008 is 800187552.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (255781007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125868 + ... + 127883.

Almost surely, 2^255781008 is an apocalyptic number.

255781008 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

255781008 is an abundant number, since it is smaller than the sum of its proper divisors (562315440).

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

255781008 is a wasteful number, since it uses less digits than its factorization.

255781008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253772 (or 253763 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The square root of 255781008 is about 15993.1550358270. The cubic root of 255781008 is about 634.7793128170.

The spelling of 255781008 in words is "two hundred fifty-five million, seven hundred eighty-one thousand, eight".