255069320 has 64 divisors (see below), whose sum is σ = 628611840. Its totient is φ = 92377600.

The previous prime is 255069307. The next prime is 255069341. The reversal of 255069320 is 23960552.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122609 + ... + 124671.

It is an arithmetic number, because the mean of its divisors is an integer number (9822060).

Almost surely, 2^255069320 is an apocalyptic number.

255069320 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 255069320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314305920).

255069320 is an abundant number, since it is smaller than the sum of its proper divisors (373542520).

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

255069320 is a wasteful number, since it uses less digits than its factorization.

255069320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366 (or 2362 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 255069320 is about 15970.8897685758. The cubic root of 255069320 is about 634.1900268616.

The spelling of 255069320 in words is "two hundred fifty-five million, sixty-nine thousand, three hundred twenty".