255331232 has 96 divisors (see below), whose sum is σ = 561375360. Its totient is φ = 113587200.

The previous prime is 255331229. The next prime is 255331261. The reversal of 255331232 is 232133552.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 2478893 + ... + 2478995.

It is an arithmetic number, because the mean of its divisors is an integer number (5847660).

Almost surely, 2^255331232 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 255331232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280687680).

255331232 is an abundant number, since it is smaller than the sum of its proper divisors (306044128).

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

255331232 is a wasteful number, since it uses less digits than its factorization.

255331232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 278 counting only the distinct ones).

The product of its digits is 5400, while the sum is 26.

The square root of 255331232 is about 15979.0873331364. The cubic root of 255331232 is about 634.4070203676.

Adding to 255331232 its reverse (232133552), we get a palindrome (487464784).

The spelling of 255331232 in words is "two hundred fifty-five million, three hundred thirty-one thousand, two hundred thirty-two".