858144112185260 has 12 divisors (see below), whose sum is σ = 1802102635589088. Its totient is φ = 343257644874096.

The previous prime is 858144112185133. The next prime is 858144112185287. The reversal of 858144112185260 is 62581211441858.

It is a super-2 number, since 2×858144112185260² (a number of 31 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 858144112185196 and 858144112185205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21453602804612 + ... + 21453602804651.

It is an arithmetic number, because the mean of its divisors is an integer number (150175219632424).

Almost surely, 2^{858144112185260} is an apocalyptic number.

It is an amenable number.

858144112185260 is an abundant number, since it is smaller than the sum of its proper divisors (943958523403828).

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

858144112185260 is a wasteful number, since it uses less digits than its factorization.

858144112185260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42907205609272 (or 42907205609270 counting only the distinct ones).

The product of its (nonzero) digits is 4915200, while the sum is 56.

The spelling of 858144112185260 in words is "eight hundred fifty-eight trillion, one hundred forty-four billion, one hundred twelve million, one hundred eighty-five thousand, two hundred sixty".