2851858672 has 40 divisors (see below), whose sum is σ = 5959306080. Its totient is φ = 1314297600.

The previous prime is 2851858663. The next prime is 2851858673. The reversal of 2851858672 is 2768581582.

It is a super-3 number, since 3×2851858672³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2851858673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136029 + ... + 155587.

It is an arithmetic number, because the mean of its divisors is an integer number (148982652).

Almost surely, 2^2851858672 is an apocalyptic number.

It is an amenable number.

2851858672 is an abundant number, since it is smaller than the sum of its proper divisors (3107447408).

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

2851858672 is a wasteful number, since it uses less digits than its factorization.

2851858672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20281 (or 20275 counting only the distinct ones).

The product of its digits is 2150400, while the sum is 52.

The square root of 2851858672 is about 53402.7964810833. The cubic root of 2851858672 is about 1418.1080854958.

The spelling of 2851858672 in words is "two billion, eight hundred fifty-one million, eight hundred fifty-eight thousand, six hundred seventy-two".