852313953520 has 40 divisors (see below), whose sum is σ = 1992005003520. Its totient is φ = 339140624640.

The previous prime is 852313953481. The next prime is 852313953553. The reversal of 852313953520 is 25359313258.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27874575 + ... + 27905134.

It is an arithmetic number, because the mean of its divisors is an integer number (49800125088).

Almost surely, 2^852313953520 is an apocalyptic number.

852313953520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

852313953520 is an abundant number, since it is smaller than the sum of its proper divisors (1139691050000).

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

852313953520 is a wasteful number, since it uses less digits than its factorization.

852313953520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55779913 (or 55779907 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 852313953520 in words is "eight hundred fifty-two billion, three hundred thirteen million, nine hundred fifty-three thousand, five hundred twenty".