852745433430 has 128 divisors (see below), whose sum is σ = 2351489273856. Its totient is φ = 195889865600.

The previous prime is 852745433357. The next prime is 852745433497. The reversal of 852745433430 is 34334547258.

852745433430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 852745433430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 287125 + ... + 1337135.

It is an arithmetic number, because the mean of its divisors is an integer number (18371009952).

Almost surely, 2^852745433430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 852745433430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1175744636928).

852745433430 is an abundant number, since it is smaller than the sum of its proper divisors (1498743840426).

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

852745433430 is a wasteful number, since it uses less digits than its factorization.

852745433430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050162.

The product of its (nonzero) digits is 4838400, while the sum is 48.

The spelling of 852745433430 in words is "eight hundred fifty-two billion, seven hundred forty-five million, four hundred thirty-three thousand, four hundred thirty".