258040158 has 16 divisors (see below), whose sum is σ = 524828160. Its totient is φ = 84555416.

The previous prime is 258040147. The next prime is 258040163. The reversal of 258040158 is 851040852.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364110 + ... + 364817.

It is an arithmetic number, because the mean of its divisors is an integer number (32801760).

Almost surely, 2^258040158 is an apocalyptic number.

258040158 is an abundant number, since it is smaller than the sum of its proper divisors (266788002).

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

258040158 is a wasteful number, since it uses less digits than its factorization.

258040158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728991.

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 258040158 is about 16063.6284195072. The cubic root of 258040158 is about 636.6427040069.

The spelling of 258040158 in words is "two hundred fifty-eight million, forty thousand, one hundred fifty-eight".