255783060 has 144 divisors (see below), whose sum is σ = 840687120. Its totient is φ = 62576640.

The previous prime is 255783053. The next prime is 255783089. The reversal of 255783060 is 60387552.

255783060 is a `hidden beast` number, since 25 + 578 + 3 + 0 + 60 = 666.

255783060 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 24621444 + 231161616 = 4962^2 + 15204^2 .

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

It is a congruent number.

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, 657346 + ... + 657734.

It is an arithmetic number, because the mean of its divisors is an integer number (5838105).

Almost surely, 2^255783060 is an apocalyptic number.

255783060 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 255783060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (420343560).

255783060 is an abundant number, since it is smaller than the sum of its proper divisors (584904060).

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

255783060 is a wasteful number, since it uses less digits than its factorization.

255783060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 255783060 is about 15993.2191881435. The cubic root of 255783060 is about 634.7810103155.

The spelling of 255783060 in words is "two hundred fifty-five million, seven hundred eighty-three thousand, sixty".