255260890 has 16 divisors (see below), whose sum is σ = 460943208. Its totient is φ = 101776896.

The previous prime is 255260869. The next prime is 255260893. The reversal of 255260890 is 98062552.

It is a happy number.

255260890 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 4 ways, for example, as 140920641 + 114340249 = 11871^2 + 10693^2 .

It is not an unprimeable number, because it can be changed into a prime (255260893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37647 + ... + 43906.

Almost surely, 2^255260890 is an apocalyptic number.

255260890 is a deficient number, since it is larger than the sum of its proper divisors (205682318).

255260890 is a wasteful number, since it uses less digits than its factorization.

255260890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81873.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 255260890 is about 15976.8861171381. The cubic root of 255260890 is about 634.3487567585.

The spelling of 255260890 in words is "two hundred fifty-five million, two hundred sixty thousand, eight hundred ninety".