255331024 has 80 divisors (see below), whose sum is σ = 568838592. Its totient is φ = 109983744.

The previous prime is 255331009. The next prime is 255331039. The reversal of 255331024 is 420133552.

It is an interprime number because it is at equal distance from previous prime (255331009) and next prime (255331039).

It is a self number, because there is not a number n which added to its sum of digits gives 255331024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 576147 + ... + 576589.

Almost surely, 2^255331024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255331024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284419296).

255331024 is an abundant number, since it is smaller than the sum of its proper divisors (313507568).

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

255331024 is a wasteful number, since it uses less digits than its factorization.

255331024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644 (or 638 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 255331024 is about 15979.0808246282. The cubic root of 255331024 is about 634.4068480990.

Adding to 255331024 its reverse (420133552), we get a palindrome (675464576).

The spelling of 255331024 in words is "two hundred fifty-five million, three hundred thirty-one thousand, twenty-four".