851032374180 has 96 divisors (see below), whose sum is σ = 2410591083264. Its totient is φ = 224318060544.

The previous prime is 851032374131. The next prime is 851032374187. The reversal of 851032374180 is 81473230158.

It is a super-2 number, since 2×851032374180² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (851032374187) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1693089 + ... + 2137431.

It is an arithmetic number, because the mean of its divisors is an integer number (25110323784).

Almost surely, 2^851032374180 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 851032374180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1205295541632).

851032374180 is an abundant number, since it is smaller than the sum of its proper divisors (1559558709084).

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

851032374180 is a wasteful number, since it uses less digits than its factorization.

851032374180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444725 (or 444723 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 851032374180 in words is "eight hundred fifty-one billion, thirty-two million, three hundred seventy-four thousand, one hundred eighty".