258720464 has 20 divisors (see below), whose sum is σ = 503185056. Its totient is φ = 128866272.

The previous prime is 258720461. The next prime is 258720529. The reversal of 258720464 is 464027852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258720461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26534 + ... + 34949.

Almost surely, 2^258720464 is an apocalyptic number.

It is an amenable number.

258720464 is a deficient number, since it is larger than the sum of its proper divisors (244464592).

258720464 is a wasteful number, since it uses less digits than its factorization.

258720464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61754 (or 61748 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 258720464 is about 16084.7898338772. The cubic root of 258720464 is about 637.2017019908.

The spelling of 258720464 in words is "two hundred fifty-eight million, seven hundred twenty thousand, four hundred sixty-four".