255430432 has 12 divisors (see below), whose sum is σ = 502878726. Its totient is φ = 127715200.

The previous prime is 255430393. The next prime is 255430459. The reversal of 255430432 is 234034552.

255430432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 135396496 + 120033936 = 11636^2 + 10956^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 255430432.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3991069 + ... + 3991132.

Almost surely, 2^255430432 is an apocalyptic number.

It is an amenable number.

255430432 is a deficient number, since it is larger than the sum of its proper divisors (247448294).

255430432 is an equidigital number, since it uses as much as digits as its factorization.

255430432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7982211 (or 7982203 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 255430432 is about 15982.1910888338. The cubic root of 255430432 is about 634.4891685998.

Adding to 255430432 its reverse (234034552), we get a palindrome (489464984).

The spelling of 255430432 in words is "two hundred fifty-five million, four hundred thirty thousand, four hundred thirty-two".