255729198 has 16 divisors (see below), whose sum is σ = 541544400. Its totient is φ = 80228736.

The previous prime is 255729191. The next prime is 255729217. The reversal of 255729198 is 891927552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255729191) 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 7 ways as a sum of consecutive naturals, for example, 1253473 + ... + 1253676.

It is an arithmetic number, because the mean of its divisors is an integer number (33846525).

Almost surely, 2^255729198 is an apocalyptic number.

255729198 is an abundant number, since it is smaller than the sum of its proper divisors (285815202).

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

255729198 is a wasteful number, since it uses less digits than its factorization.

255729198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2507171.

The product of its digits is 453600, while the sum is 48.

The square root of 255729198 is about 15991.5351983479. The cubic root of 255729198 is about 634.7364504517.

The spelling of 255729198 in words is "two hundred fifty-five million, seven hundred twenty-nine thousand, one hundred ninety-eight".