255645032216 has 32 divisors (see below), whose sum is σ = 548954496000. Its totient is φ = 109333414176.

The previous prime is 255645032183. The next prime is 255645032257. The reversal of 255645032216 is 612230546552.

255645032216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4738406 + ... + 4792053.

It is an arithmetic number, because the mean of its divisors is an integer number (17154828000).

Almost surely, 2^255645032216 is an apocalyptic number.

It is an amenable number.

255645032216 is an abundant number, since it is smaller than the sum of its proper divisors (293309463784).

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

255645032216 is a wasteful number, since it uses less digits than its factorization.

255645032216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9530951 (or 9530947 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 41.

Adding to 255645032216 its reverse (612230546552), we get a palindrome (867875578768).

The spelling of 255645032216 in words is "two hundred fifty-five billion, six hundred forty-five million, thirty-two thousand, two hundred sixteen".