255181056 has 144 divisors (see below), whose sum is σ = 745160640. Its totient is φ = 77045760.

The previous prime is 255181051. The next prime is 255181081. The reversal of 255181056 is 650181552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255181051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 608815 + ... + 609233.

Almost surely, 2^255181056 is an apocalyptic number.

255181056 is a gapful number since it is divisible by the number (26) 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 255181056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372580320).

255181056 is an abundant number, since it is smaller than the sum of its proper divisors (489979584).

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

255181056 is a wasteful number, since it uses less digits than its factorization.

255181056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512 (or 498 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 33.

The square root of 255181056 is about 15974.3874999951. The cubic root of 255181056 is about 634.2826180470.

The spelling of 255181056 in words is "two hundred fifty-five million, one hundred eighty-one thousand, fifty-six".