255533356344 has 256 divisors, whose sum is σ = 783581184000. Its totient is φ = 69278799744.

The previous prime is 255533356343. The next prime is 255533356387. The reversal of 255533356344 is 443653335552.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 255533356293 and 255533356302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255533356343) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24040359 + ... + 24050985.

It is an arithmetic number, because the mean of its divisors is an integer number (3060864000).

Almost surely, 2^255533356344 is an apocalyptic number.

255533356344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255533356344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (391790592000).

255533356344 is an abundant number, since it is smaller than the sum of its proper divisors (528047827656).

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

255533356344 is a wasteful number, since it uses less digits than its factorization.

255533356344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10807 (or 10789 counting only the distinct ones).

The product of its digits is 9720000, while the sum is 48.

The spelling of 255533356344 in words is "two hundred fifty-five billion, five hundred thirty-three million, three hundred fifty-six thousand, three hundred forty-four".