1026255258 has 40 divisors (see below), whose sum is σ = 2628085152. Its totient is φ = 293215464.

The previous prime is 1026255221. The next prime is 1026255289. The reversal of 1026255258 is 8525526201.

It is a happy number.

1026255258 is a `hidden beast` number, since 1 + 0 + 2 + 625 + 5 + 25 + 8 = 666.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 451360 + ... + 453627.

Almost surely, 2^1026255258 is an apocalyptic number.

1026255258 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1026255258 is an abundant number, since it is smaller than the sum of its proper divisors (1601829894).

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

1026255258 is an equidigital number, since it uses as much as digits as its factorization.

1026255258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905008 (or 904999 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 1026255258 is about 32035.2190253165. The cubic root of 1026255258 is about 1008.6762575134.

The spelling of 1026255258 in words is "one billion, twenty-six million, two hundred fifty-five thousand, two hundred fifty-eight".