255433320 has 48 divisors (see below), whose sum is σ = 830159460. Its totient is φ = 68115456.

The previous prime is 255433309. The next prime is 255433327. The reversal of 255433320 is 23334552.

It can be written as a sum of positive squares in 2 ways, for example, as 254147364 + 1285956 = 15942^2 + 1134^2 .

It is not an unprimeable number, because it can be changed into a prime (255433327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 354409 + ... + 355128.

Almost surely, 2^255433320 is an apocalyptic number.

255433320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255433320 is an abundant number, since it is smaller than the sum of its proper divisors (574726140).

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

255433320 is a wasteful number, since it uses less digits than its factorization.

255433320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709554 (or 709547 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 255433320 is about 15982.2814391438. The cubic root of 255433320 is about 634.4915598547.

Adding to 255433320 its reverse (23334552), we get a palindrome (278767872).

It can be divided in two parts, 25 and 5433320, that added together give a palindrome (5433345).

The spelling of 255433320 in words is "two hundred fifty-five million, four hundred thirty-three thousand, three hundred twenty".