258243460 has 48 divisors (see below), whose sum is σ = 553835520. Its totient is φ = 101122560.

The previous prime is 258243449. The next prime is 258243473. The reversal of 258243460 is 64342852.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255436 + ... + 256444.

It is an arithmetic number, because the mean of its divisors is an integer number (11538240).

Almost surely, 2^258243460 is an apocalyptic number.

258243460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

258243460 is an abundant number, since it is smaller than the sum of its proper divisors (295592060).

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

258243460 is a wasteful number, since it uses less digits than its factorization.

258243460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276 (or 1274 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 258243460 is about 16069.9551959550. The cubic root of 258243460 is about 636.8098572637.

The spelling of 258243460 in words is "two hundred fifty-eight million, two hundred forty-three thousand, four hundred sixty".