858260042 has 16 divisors (see below), whose sum is σ = 1344555072. Its totient is φ = 410108160.

The previous prime is 858260041. The next prime is 858260063. The reversal of 858260042 is 240062858.

It is a super-2 number, since 2×858260042² = 1473220599387683528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 858259984 and 858260011.

It is not an unprimeable number, because it can be changed into a prime (858260041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48317 + ... + 63647.

It is an arithmetic number, because the mean of its divisors is an integer number (84034692).

Almost surely, 2^858260042 is an apocalyptic number.

858260042 is a deficient number, since it is larger than the sum of its proper divisors (486295030).

858260042 is a wasteful number, since it uses less digits than its factorization.

858260042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16573.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 858260042 is about 29296.0755392254. The cubic root of 858260042 is about 950.3267729051.

The spelling of 858260042 in words is "eight hundred fifty-eight million, two hundred sixty thousand, forty-two".