258008560 has 40 divisors (see below), whose sum is σ = 601211520. Its totient is φ = 102972672.

The previous prime is 258008551. The next prime is 258008591. The reversal of 258008560 is 65800852.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34954 + ... + 41686.

It is an arithmetic number, because the mean of its divisors is an integer number (15030288).

Almost surely, 2^258008560 is an apocalyptic number.

258008560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

258008560 is an abundant number, since it is smaller than the sum of its proper divisors (343202960).

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

258008560 is a wasteful number, since it uses less digits than its factorization.

258008560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7225 (or 7219 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 258008560 is about 16062.6448631600. The cubic root of 258008560 is about 636.6167165049.

The spelling of 258008560 in words is "two hundred fifty-eight million, eight thousand, five hundred sixty".