255280028 has 12 divisors (see below), whose sum is σ = 447223392. Its totient is φ = 127501920.

The previous prime is 255280001. The next prime is 255280031. The reversal of 255280028 is 820082552.

It is a happy number.

255280028 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 255279976 and 255280003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30308 + ... + 37803.

It is an arithmetic number, because the mean of its divisors is an integer number (37268616).

Almost surely, 2^255280028 is an apocalyptic number.

It is an amenable number.

255280028 is a deficient number, since it is larger than the sum of its proper divisors (191943364).

255280028 is a wasteful number, since it uses less digits than its factorization.

255280028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69052 (or 69050 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 255280028 is about 15977.4850336340. The cubic root of 255280028 is about 634.3646096416.

The spelling of 255280028 in words is "two hundred fifty-five million, two hundred eighty thousand, twenty-eight".