255432210 has 64 divisors (see below), whose sum is σ = 674400384. Its totient is φ = 61913280.

The previous prime is 255432197. The next prime is 255432211. The reversal of 255432210 is 12234552.

255432210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×255432210² = 130491227810968200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255432211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36732 + ... + 43128.

It is an arithmetic number, because the mean of its divisors is an integer number (10537506).

Almost surely, 2^255432210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255432210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337200192).

255432210 is an abundant number, since it is smaller than the sum of its proper divisors (418968174).

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

255432210 is a wasteful number, since it uses less digits than its factorization.

255432210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6440 (or 6418 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 255432210 is about 15982.2467131502. The cubic root of 255432210 is about 634.4906407803.

Adding to 255432210 its reverse (12234552), we get a palindrome (267666762).

The spelling of 255432210 in words is "two hundred fifty-five million, four hundred thirty-two thousand, two hundred ten".