258486464 has 28 divisors (see below), whose sum is σ = 523853664. Its totient is φ = 126491904.

The previous prime is 258486461. The next prime is 258486497. The reversal of 258486464 is 464684852.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (258486461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39959 + ... + 45974.

Almost surely, 2^258486464 is an apocalyptic number.

It is an amenable number.

258486464 is an abundant number, since it is smaller than the sum of its proper divisors (265367200).

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

258486464 is an equidigital number, since it uses as much as digits as its factorization.

258486464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85992 (or 85982 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 47.

The square root of 258486464 is about 16077.5142357269. The cubic root of 258486464 is about 637.0095381248.

The spelling of 258486464 in words is "two hundred fifty-eight million, four hundred eighty-six thousand, four hundred sixty-four".