255023280 has 240 divisors, whose sum is σ = 899379936. Its totient is φ = 64696320.

The previous prime is 255023257. The next prime is 255023281. The reversal of 255023280 is 82320552.

255023280 is a `hidden beast` number, since 2 + 550 + 2 + 32 + 80 = 666.

255023280 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 (240).

It is not an unprimeable number, because it can be changed into a prime (255023281) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1564479 + ... + 1564641.

Almost surely, 2^255023280 is an apocalyptic number.

255023280 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 255023280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (449689968).

255023280 is an abundant number, since it is smaller than the sum of its proper divisors (644356656).

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

255023280 is a wasteful number, since it uses less digits than its factorization.

255023280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 255023280 is about 15969.4483311103. The cubic root of 255023280 is about 634.1518674758.

It can be divided in two parts, 25502 and 3280, that added together give a palindrome (28782).

The spelling of 255023280 in words is "two hundred fifty-five million, twenty-three thousand, two hundred eighty".