255727660 has 48 divisors (see below), whose sum is σ = 553486752. Its totient is φ = 99187200.

The previous prime is 255727627. The next prime is 255727663. The reversal of 255727660 is 66727552.

255727660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (255727663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147559 + ... + 149281.

It is an arithmetic number, because the mean of its divisors is an integer number (11530974).

Almost surely, 2^255727660 is an apocalyptic number.

255727660 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 255727660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276743376).

255727660 is an abundant number, since it is smaller than the sum of its proper divisors (297759092).

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

255727660 is a wasteful number, since it uses less digits than its factorization.

255727660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954 (or 1952 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 40.

The square root of 255727660 is about 15991.4871103347. The cubic root of 255727660 is about 634.7351779772.

The spelling of 255727660 in words is "two hundred fifty-five million, seven hundred twenty-seven thousand, six hundred sixty".