258278060 has 24 divisors (see below), whose sum is σ = 561088080. Its totient is φ = 99748544.

The previous prime is 258278047. The next prime is 258278071. The reversal of 258278060 is 60872852.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222074 + ... + 223233.

It is an arithmetic number, because the mean of its divisors is an integer number (23378670).

Almost surely, 2^258278060 is an apocalyptic number.

258278060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

258278060 is an abundant number, since it is smaller than the sum of its proper divisors (302810020).

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

258278060 is a wasteful number, since it uses less digits than its factorization.

258278060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445345 (or 445343 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 258278060 is about 16071.0317030364. The cubic root of 258278060 is about 636.8382963667.

The spelling of 258278060 in words is "two hundred fifty-eight million, two hundred seventy-eight thousand, sixty".