255443898 has 32 divisors (see below), whose sum is σ = 519520320. Its totient is φ = 83721600.

The previous prime is 255443897. The next prime is 255443927. The reversal of 255443898 is 898344552.

It is not an unprimeable number, because it can be changed into a prime (255443897) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 88173 + ... + 91023.

It is an arithmetic number, because the mean of its divisors is an integer number (16235010).

Almost surely, 2^255443898 is an apocalyptic number.

255443898 is an abundant number, since it is smaller than the sum of its proper divisors (264076422).

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

255443898 is a wasteful number, since it uses less digits than its factorization.

255443898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3102.

The product of its digits is 1382400, while the sum is 48.

The square root of 255443898 is about 15982.6123646918. The cubic root of 255443898 is about 634.5003182515.

It can be divided in two parts, 255 and 443898, that added together give a triangular number (444153 = T₉₄₂).

The spelling of 255443898 in words is "two hundred fifty-five million, four hundred forty-three thousand, eight hundred ninety-eight".