255606120 has 192 divisors, whose sum is σ = 1035815040. Its totient is φ = 53107200.

The previous prime is 255606119. The next prime is 255606137. The reversal of 255606120 is 21606552.

255606120 is a `hidden beast` number, since 2 + 55 + 606 + 1 + 2 + 0 = 666.

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, 23110 + ... + 32330.

It is an arithmetic number, because the mean of its divisors is an integer number (5394870).

Almost surely, 2^255606120 is an apocalyptic number.

255606120 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 255606120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (517907520).

255606120 is an abundant number, since it is smaller than the sum of its proper divisors (780208920).

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

255606120 is a wasteful number, since it uses less digits than its factorization.

255606120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9256 (or 9249 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 255606120 is about 15987.6865118128. The cubic root of 255606120 is about 634.6346049190.

The spelling of 255606120 in words is "two hundred fifty-five million, six hundred six thousand, one hundred twenty".