255347320 has 64 divisors (see below), whose sum is σ = 597391200. Its totient is φ = 98112000.

The previous prime is 255347273. The next prime is 255347321. The reversal of 255347320 is 23743552.

255347320 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 not an unprimeable number, because it can be changed into a prime (255347321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290722 + ... + 291598.

Almost surely, 2^255347320 is an apocalyptic number.

255347320 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 255347320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298695600).

255347320 is an abundant number, since it is smaller than the sum of its proper divisors (342043880).

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

255347320 is a wasteful number, since it uses less digits than its factorization.

255347320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168 (or 1164 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 31.

The square root of 255347320 is about 15979.5907331821. The cubic root of 255347320 is about 634.4203444013.

The spelling of 255347320 in words is "two hundred fifty-five million, three hundred forty-seven thousand, three hundred twenty".