255618798 has 32 divisors (see below), whose sum is σ = 522357120. Its totient is φ = 83366880.

The previous prime is 255618793. The next prime is 255618823. The reversal of 255618798 is 897816552.

It is a self number, because there is not a number n which added to its sum of digits gives 255618798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255618791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78768 + ... + 81948.

It is an arithmetic number, because the mean of its divisors is an integer number (16323660).

Almost surely, 2^255618798 is an apocalyptic number.

255618798 is an abundant number, since it is smaller than the sum of its proper divisors (266738322).

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

255618798 is a wasteful number, since it uses less digits than its factorization.

255618798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3472.

The product of its digits is 1209600, while the sum is 51.

The square root of 255618798 is about 15988.0829995344. The cubic root of 255618798 is about 634.6450973184.

The spelling of 255618798 in words is "two hundred fifty-five million, six hundred eighteen thousand, seven hundred ninety-eight".