852091402240 has 288 divisors, whose sum is σ = 2231896343040. Its totient is φ = 312060542976.

The previous prime is 852091402139. The next prime is 852091402249. The reversal of 852091402240 is 42204190258.

It is a self number, because there is not a number n which added to its sum of digits gives 852091402240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852091402249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 219779182 + ... + 219783058.

It is an arithmetic number, because the mean of its divisors is an integer number (7749640080).

Almost surely, 2^852091402240 is an apocalyptic number.

852091402240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 852091402240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1115948171520).

852091402240 is an abundant number, since it is smaller than the sum of its proper divisors (1379804940800).

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

852091402240 is a wasteful number, since it uses less digits than its factorization.

852091402240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4057 (or 4024 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

Adding to 852091402240 its reverse (42204190258), we get a palindrome (894295592498).

The spelling of 852091402240 in words is "eight hundred fifty-two billion, ninety-one million, four hundred two thousand, two hundred forty".