255545120 has 24 divisors (see below), whose sum is σ = 603725724. Its totient is φ = 102217984.

The previous prime is 255545119. The next prime is 255545161. The reversal of 255545120 is 21545552.

It can be written as a sum of positive squares in 2 ways, for example, as 253319056 + 2226064 = 15916^2 + 1492^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 798419 + ... + 798738.

Almost surely, 2^255545120 is an apocalyptic number.

255545120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255545120 is an abundant number, since it is smaller than the sum of its proper divisors (348180604).

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

255545120 is a wasteful number, since it uses less digits than its factorization.

255545120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597172 (or 1597164 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 255545120 is about 15985.7786798141. The cubic root of 255545120 is about 634.5841160511.

The spelling of 255545120 in words is "two hundred fifty-five million, five hundred forty-five thousand, one hundred twenty".