258665472 has 264 divisors, whose sum is σ = 858364416. Its totient is φ = 74317824.

The previous prime is 258665441. The next prime is 258665479. The reversal of 258665472 is 274566852.

258665472 is a `hidden beast` number, since 2 + 586 + 65 + 4 + 7 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258665479) 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 23 ways as a sum of consecutive naturals, for example, 2036673 + ... + 2036799.

Almost surely, 2^258665472 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 258665472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429182208).

258665472 is an abundant number, since it is smaller than the sum of its proper divisors (599698944).

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

258665472 is a wasteful number, since it uses less digits than its factorization.

258665472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 162 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 258665472 is about 16083.0803019820. The cubic root of 258665472 is about 637.1565522586.

The spelling of 258665472 in words is "two hundred fifty-eight million, six hundred sixty-five thousand, four hundred seventy-two".