255503880 has 192 divisors, whose sum is σ = 891596160. Its totient is φ = 63227904.

The previous prime is 255503879. The next prime is 255503921. The reversal of 255503880 is 88305552.

255503880 is a `hidden beast` number, since 25 + 550 + 3 + 8 + 80 = 666.

255503880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 507709 + ... + 508211.

It is an arithmetic number, because the mean of its divisors is an integer number (4643730).

Almost surely, 2^255503880 is an apocalyptic number.

255503880 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 255503880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (445798080).

255503880 is an abundant number, since it is smaller than the sum of its proper divisors (636092280).

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

255503880 is a wasteful number, since it uses less digits than its factorization.

255503880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 255503880 is about 15984.4887312669. The cubic root of 255503880 is about 634.5499777134.

The spelling of 255503880 in words is "two hundred fifty-five million, five hundred three thousand, eight hundred eighty".