255326144 has 14 divisors (see below), whose sum is σ = 506662944. Its totient is φ = 127663040.

The previous prime is 255326143. The next prime is 255326167. The reversal of 255326144 is 441623552.

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

It is a self number, because there is not a number n which added to its sum of digits gives 255326144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255326143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1994672 + ... + 1994799.

Almost surely, 2^255326144 is an apocalyptic number.

It is an amenable number.

255326144 is a deficient number, since it is larger than the sum of its proper divisors (251336800).

255326144 is an equidigital number, since it uses as much as digits as its factorization.

255326144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3989483 (or 3989473 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 255326144 is about 15978.9281242516. The cubic root of 255326144 is about 634.4028063847.

Adding to 255326144 its reverse (441623552), we get a palindrome (696949696).

The spelling of 255326144 in words is "two hundred fifty-five million, three hundred twenty-six thousand, one hundred forty-four".