255296880 has 160 divisors (see below), whose sum is σ = 885568320. Its totient is φ = 67599360.

The previous prime is 255296879. The next prime is 255296887. The reversal of 255296880 is 88692552.

255296880 is a `hidden beast` number, since 2 + 552 + 96 + 8 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255296887) 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, 390634 + ... + 391286.

It is an arithmetic number, because the mean of its divisors is an integer number (5534802).

Almost surely, 2^255296880 is an apocalyptic number.

255296880 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 255296880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (442784160).

255296880 is an abundant number, since it is smaller than the sum of its proper divisors (630271440).

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

255296880 is a wasteful number, since it uses less digits than its factorization.

255296880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856 (or 844 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 255296880 is about 15978.0123920342. The cubic root of 255296880 is about 634.3785682700.

The spelling of 255296880 in words is "two hundred fifty-five million, two hundred ninety-six thousand, eight hundred eighty".