255406208 has 32 divisors (see below), whose sum is σ = 535602000. Its totient is φ = 120980736.

The previous prime is 255406201. The next prime is 255406243. The reversal of 255406208 is 802604552.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (255406201) 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 3 ways as a sum of consecutive naturals, for example, 50078 + ... + 54941.

Almost surely, 2^255406208 is an apocalyptic number.

It is an amenable number.

255406208 is an abundant number, since it is smaller than the sum of its proper divisors (280195792).

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

255406208 is a wasteful number, since it uses less digits than its factorization.

255406208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105052 (or 105040 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 255406208 is about 15981.4332273423. The cubic root of 255406208 is about 634.4691104945.

The spelling of 255406208 in words is "two hundred fifty-five million, four hundred six thousand, two hundred eight".