258040975854 has 16 divisors (see below), whose sum is σ = 516108642048. Its totient is φ = 86009210232.

The previous prime is 258040975837. The next prime is 258040975889. The reversal of 258040975854 is 458579040852.

258040975854 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×258040975854³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 258040975794 and 258040975803.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 985302 + ... + 1219385.

It is an arithmetic number, because the mean of its divisors is an integer number (32256790128).

Almost surely, 2^258040975854 is an apocalyptic number.

258040975854 is an abundant number, since it is smaller than the sum of its proper divisors (258067666194).

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

258040975854 is a wasteful number, since it uses less digits than its factorization.

258040975854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224199.

The product of its (nonzero) digits is 16128000, while the sum is 57.

The spelling of 258040975854 in words is "two hundred fifty-eight billion, forty million, nine hundred seventy-five thousand, eight hundred fifty-four".