255531352344 has 32 divisors (see below), whose sum is σ = 638977792320. Its totient is φ = 85157195936.

The previous prime is 255531352337. The next prime is 255531352387. The reversal of 255531352344 is 443253135552.

It is a junction number, because it is equal to n+sod(n) for n = 255531352296 and 255531352305.

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, 1140162 + ... + 1345745.

It is an arithmetic number, because the mean of its divisors is an integer number (19968056010).

Almost surely, 2^255531352344 is an apocalyptic number.

255531352344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

255531352344 is an abundant number, since it is smaller than the sum of its proper divisors (383446439976).

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

255531352344 is a wasteful number, since it uses less digits than its factorization.

255531352344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490199 (or 2490195 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 42.

Adding to 255531352344 its reverse (443253135552), we get a palindrome (698784487896).

The spelling of 255531352344 in words is "two hundred fifty-five billion, five hundred thirty-one million, three hundred fifty-two thousand, three hundred forty-four".