255296490 has 16 divisors (see below), whose sum is σ = 612711648. Its totient is φ = 68079056.

The previous prime is 255296477. The next prime is 255296491. The reversal of 255296490 is 94692552.

It is not an unprimeable number, because it can be changed into a prime (255296491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4254912 + ... + 4254971.

It is an arithmetic number, because the mean of its divisors is an integer number (38294478).

Almost surely, 2^255296490 is an apocalyptic number.

255296490 is an abundant number, since it is smaller than the sum of its proper divisors (357415158).

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

255296490 is a wasteful number, since it uses less digits than its factorization.

255296490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8509893.

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 255296490 is about 15978.0001877582. Note that the first 3 decimals coincide. The cubic root of 255296490 is about 634.3782452373.

The spelling of 255296490 in words is "two hundred fifty-five million, two hundred ninety-six thousand, four hundred ninety".