8255280 has 160 divisors (see below), whose sum is σ = 28926720. Its totient is φ = 1930240.

The previous prime is 8255257. The next prime is 8255287. The reversal of 8255280 is 825528.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (8255287) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139891 + ... + 139949.

It is an arithmetic number, because the mean of its divisors is an integer number (180792).

Almost surely, 2^8255280 is an apocalyptic number.

8255280 is a gapful number since it is divisible by the number (80) 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 8255280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14463360).

8255280 is an abundant number, since it is smaller than the sum of its proper divisors (20671440).

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

8255280 is a wasteful number, since it uses less digits than its factorization.

8255280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 8255280 is about 2873.2003062787. The cubic root of 8255280 is about 202.1050983985.

It can be divided in two parts, 825 and 5280, that added together give a triangular number (6105 = T₁₁₀).

The spelling of 8255280 in words is "eight million, two hundred fifty-five thousand, two hundred eighty".