255662312144 has 20 divisors (see below), whose sum is σ = 499246093824. Its totient is φ = 126824610528.

The previous prime is 255662312131. The next prime is 255662312149. The reversal of 255662312144 is 441213266552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255662312149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62907002 + ... + 62911065.

Almost surely, 2^255662312144 is an apocalyptic number.

It is an amenable number.

255662312144 is a deficient number, since it is larger than the sum of its proper divisors (243583781680).

255662312144 is a wasteful number, since it uses less digits than its factorization.

255662312144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125818202 (or 125818196 counting only the distinct ones).

The product of its digits is 345600, while the sum is 41.

Adding to 255662312144 its reverse (441213266552), we get a palindrome (696875578696).

The spelling of 255662312144 in words is "two hundred fifty-five billion, six hundred sixty-two million, three hundred twelve thousand, one hundred forty-four".