255243432 has 16 divisors (see below), whose sum is σ = 638108640. Its totient is φ = 85081136.

The previous prime is 255243421. The next prime is 255243481. The reversal of 255243432 is 234342552.

It is a self number, because there is not a number n which added to its sum of digits gives 255243432.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5317548 + ... + 5317595.

It is an arithmetic number, because the mean of its divisors is an integer number (39881790).

Almost surely, 2^255243432 is an apocalyptic number.

It is an amenable number.

255243432 is an abundant number, since it is smaller than the sum of its proper divisors (382865208).

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

255243432 is a wasteful number, since it uses less digits than its factorization.

255243432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10635152 (or 10635148 counting only the distinct ones).

The product of its digits is 28800, while the sum is 30.

The square root of 255243432 is about 15976.3397560267. The cubic root of 255243432 is about 634.3342948054.

Adding to 255243432 its reverse (234342552), we get a palindrome (489585984).

The spelling of 255243432 in words is "two hundred fifty-five million, two hundred forty-three thousand, four hundred thirty-two".