858225268044 has 36 divisors (see below), whose sum is σ = 2185963099320. Its totient is φ = 283891308480.

The previous prime is 858225267983. The next prime is 858225268057. The reversal of 858225268044 is 440862522858.

858225268044 is a `hidden beast` number, since 8 + 58 + 22 + 526 + 8 + 0 + 44 = 666.

858225268044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×858225268044² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90986089 + ... + 90995520.

Almost surely, 2^858225268044 is an apocalyptic number.

It is an amenable number.

858225268044 is an abundant number, since it is smaller than the sum of its proper divisors (1327737831276).

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

858225268044 is a wasteful number, since it uses less digits than its factorization.

858225268044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181981750 (or 181981745 counting only the distinct ones).

The product of its (nonzero) digits is 9830400, while the sum is 54.

The spelling of 858225268044 in words is "eight hundred fifty-eight billion, two hundred twenty-five million, two hundred sixty-eight thousand, forty-four".