255426210 has 160 divisors (see below), whose sum is σ = 749371392. Its totient is φ = 62052480.

The previous prime is 255426209. The next prime is 255426221. The reversal of 255426210 is 12624552.

255426210 is a `hidden beast` number, since 25 + 5 + 426 + 210 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1337215 + ... + 1337405.

Almost surely, 2^255426210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255426210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374685696).

255426210 is an abundant number, since it is smaller than the sum of its proper divisors (493945182).

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

255426210 is a wasteful number, since it uses less digits than its factorization.

255426210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350 (or 341 counting only the distinct ones).

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

The square root of 255426210 is about 15982.0590037704. The cubic root of 255426210 is about 634.4856727647.

The spelling of 255426210 in words is "two hundred fifty-five million, four hundred twenty-six thousand, two hundred ten".