255560670 has 96 divisors (see below), whose sum is σ = 693463680. Its totient is φ = 67716000.

The previous prime is 255560651. The next prime is 255560671. The reversal of 255560670 is 76065552.

255560670 is a `hidden beast` number, since 25 + 5 + 560 + 6 + 70 = 666.

255560670 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×255560670² = 130622512101697800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255560671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 609721 + ... + 610139.

It is an arithmetic number, because the mean of its divisors is an integer number (7223580).

Almost surely, 2^255560670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255560670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346731840).

255560670 is an abundant number, since it is smaller than the sum of its proper divisors (437903010).

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

255560670 is a wasteful number, since it uses less digits than its factorization.

255560670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692 (or 680 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 255560670 is about 15986.2650422167. The cubic root of 255560670 is about 634.5969873370.

The spelling of 255560670 in words is "two hundred fifty-five million, five hundred sixty thousand, six hundred seventy".