852099240 has 128 divisors (see below), whose sum is σ = 2643580800. Its totient is φ = 219601920.

The previous prime is 852099229. The next prime is 852099271. The reversal of 852099240 is 42990258.

It is a super-2 number, since 2×852099240² = 1452146229617155200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 430894 + ... + 432866.

It is an arithmetic number, because the mean of its divisors is an integer number (20652975).

Almost surely, 2^852099240 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 852099240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1321790400).

852099240 is an abundant number, since it is smaller than the sum of its proper divisors (1791481560).

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

852099240 is a wasteful number, since it uses less digits than its factorization.

852099240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107 (or 2103 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 852099240 is about 29190.7389423427. The cubic root of 852099240 is about 948.0474170233.

It can be divided in two parts, 85209 and 9240, that added together give a palindrome (94449).

The spelling of 852099240 in words is "eight hundred fifty-two million, ninety-nine thousand, two hundred forty".