255280916 has 36 divisors (see below), whose sum is σ = 495351360. Its totient is φ = 114145200.

The previous prime is 255280897. The next prime is 255280973. The reversal of 255280916 is 619082552.

It is a self number, because there is not a number n which added to its sum of digits gives 255280916.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 941861 + ... + 942131.

It is an arithmetic number, because the mean of its divisors is an integer number (13759760).

Almost surely, 2^255280916 is an apocalyptic number.

It is an amenable number.

255280916 is a deficient number, since it is larger than the sum of its proper divisors (240070444).

255280916 is a wasteful number, since it uses less digits than its factorization.

255280916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 255280916 is about 15977.5128227143. The cubic root of 255280916 is about 634.3653451935.

The spelling of 255280916 in words is "two hundred fifty-five million, two hundred eighty thousand, nine hundred sixteen".