258432354258 has 64 divisors (see below), whose sum is σ = 560339240832. Its totient is φ = 78987363840.

The previous prime is 258432354227. The next prime is 258432354259. The reversal of 258432354258 is 852453234852.

It is a self number, because there is not a number n which added to its sum of digits gives 258432354258.

It is not an unprimeable number, because it can be changed into a prime (258432354259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30267766 + ... + 30276302.

It is an arithmetic number, because the mean of its divisors is an integer number (8755300638).

Almost surely, 2^258432354258 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 258432354258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280169620416).

258432354258 is an abundant number, since it is smaller than the sum of its proper divisors (301906886574).

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

258432354258 is a wasteful number, since it uses less digits than its factorization.

258432354258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11099.

The product of its digits is 9216000, while the sum is 51.

The spelling of 258432354258 in words is "two hundred fifty-eight billion, four hundred thirty-two million, three hundred fifty-four thousand, two hundred fifty-eight".