255442432 has 80 divisors (see below), whose sum is σ = 587676672. Its totient is φ = 108656640.

The previous prime is 255442427. The next prime is 255442477. The reversal of 255442432 is 234244552.

255442432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 255442394 and 255442403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 942457 + ... + 942727.

Almost surely, 2^255442432 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 255442432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293838336).

255442432 is an abundant number, since it is smaller than the sum of its proper divisors (332234240).

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

255442432 is an equidigital number, since it uses as much as digits as its factorization.

255442432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559 (or 543 counting only the distinct ones).

The product of its digits is 38400, while the sum is 31.

The square root of 255442432 is about 15982.5665022862. The cubic root of 255442432 is about 634.4991044438.

Adding to 255442432 its reverse (234244552), we get a palindrome (489686984).

The spelling of 255442432 in words is "two hundred fifty-five million, four hundred forty-two thousand, four hundred thirty-two".