258711960 has 96 divisors (see below), whose sum is σ = 840497040. Its totient is φ = 63677952.

The previous prime is 258711949. The next prime is 258711989. The reversal of 258711960 is 69117852.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13902 + ... + 26658.

Almost surely, 2^258711960 is an apocalyptic number.

258711960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 258711960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (420248520).

258711960 is an abundant number, since it is smaller than the sum of its proper divisors (581785080).

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

258711960 is a wasteful number, since it uses less digits than its factorization.

258711960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12797 (or 12780 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 39.

The square root of 258711960 is about 16084.5254825873. The cubic root of 258711960 is about 637.1947204239.

The spelling of 258711960 in words is "two hundred fifty-eight million, seven hundred eleven thousand, nine hundred sixty".