258643472 has 20 divisors (see below), whose sum is σ = 507467520. Its totient is φ = 127684128.

The previous prime is 258643471. The next prime is 258643513. The reversal of 258643472 is 274346852.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (258643471) 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 3 ways as a sum of consecutive naturals, for example, 101048 + ... + 103575.

It is an arithmetic number, because the mean of its divisors is an integer number (25373376).

Almost surely, 2^258643472 is an apocalyptic number.

It is an amenable number.

258643472 is a deficient number, since it is larger than the sum of its proper divisors (248824048).

258643472 is a wasteful number, since it uses less digits than its factorization.

258643472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204710 (or 204704 counting only the distinct ones).

The product of its digits is 322560, while the sum is 41.

The square root of 258643472 is about 16082.3963388545. The cubic root of 258643472 is about 637.1384879463.

The spelling of 258643472 in words is "two hundred fifty-eight million, six hundred forty-three thousand, four hundred seventy-two".