858442244858 has 64 divisors (see below), whose sum is σ = 1558831841280. Its totient is φ = 350127748800.

The previous prime is 858442244831. The next prime is 858442244887.

858442244858 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a self number, because there is not a number n which added to its sum of digits gives 858442244858.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95741 + ... + 1313792.

It is an arithmetic number, because the mean of its divisors is an integer number (24356747520).

Almost surely, 2^858442244858 is an apocalyptic number.

858442244858 is a deficient number, since it is larger than the sum of its proper divisors (700389596422).

858442244858 is a wasteful number, since it uses less digits than its factorization.

858442244858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409643.

The product of its digits is 104857600, while the sum is 62.

The spelling of 858442244858 in words is "eight hundred fifty-eight billion, four hundred forty-two million, two hundred forty-four thousand, eight hundred fifty-eight".