255325442320 has 160 divisors (see below), whose sum is σ = 644970719232. Its totient is φ = 93439389696.

The previous prime is 255325442279. The next prime is 255325442353. The reversal of 255325442320 is 23244523552.

It is a self number, because there is not a number n which added to its sum of digits gives 255325442320.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140056929 + ... + 140058751.

Almost surely, 2^255325442320 is an apocalyptic number.

255325442320 is a gapful number since it is divisible by the number (20) 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 255325442320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322485359616).

255325442320 is an abundant number, since it is smaller than the sum of its proper divisors (389645276912).

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

255325442320 is a wasteful number, since it uses less digits than its factorization.

255325442320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2969 (or 2963 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 37.

Adding to 255325442320 its reverse (23244523552), we get a palindrome (278569965872).

The spelling of 255325442320 in words is "two hundred fifty-five billion, three hundred twenty-five million, four hundred forty-two thousand, three hundred twenty".