258858085430 has 48 divisors (see below), whose sum is σ = 542191423680. Its totient is φ = 88722805248.

The previous prime is 258858085429. The next prime is 258858085439. The reversal of 258858085430 is 34580858852.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258858085439) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1469459 + ... + 1636161.

It is an arithmetic number, because the mean of its divisors is an integer number (11295654660).

Almost surely, 2^258858085430 is an apocalyptic number.

258858085430 is an abundant number, since it is smaller than the sum of its proper divisors (283333338250).

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

258858085430 is a wasteful number, since it uses less digits than its factorization.

258858085430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169893 (or 169886 counting only the distinct ones).

The product of its (nonzero) digits is 12288000, while the sum is 56.

The spelling of 258858085430 in words is "two hundred fifty-eight billion, eight hundred fifty-eight million, eighty-five thousand, four hundred thirty".