258655424 has 56 divisors (see below), whose sum is σ = 538886400. Its totient is φ = 122943744.

The previous prime is 258655421. The next prime is 258655471. The reversal of 258655424 is 424556852.

It is not an unprimeable number, because it can be changed into a prime (258655421) by changing a digit.

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, 292487 + ... + 293369.

Almost surely, 2^258655424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 258655424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269443200).

258655424 is an abundant number, since it is smaller than the sum of its proper divisors (280230976).

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

258655424 is a wasteful number, since it uses less digits than its factorization.

258655424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117 (or 1107 counting only the distinct ones).

The product of its digits is 384000, while the sum is 41.

The square root of 258655424 is about 16082.7679209768. The cubic root of 258655424 is about 637.1483019216.

The spelling of 258655424 in words is "two hundred fifty-eight million, six hundred fifty-five thousand, four hundred twenty-four".