852277469940 has 768 divisors, whose sum is σ = 3107692707840. Its totient is φ = 192018677760.

The previous prime is 852277469909. The next prime is 852277469947. The reversal of 852277469940 is 49964772258.

852277469940 is a `hidden beast` number, since 8 + 522 + 7 + 7 + 4 + 69 + 9 + 40 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852277469947) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 803277010 + ... + 803278070.

It is an arithmetic number, because the mean of its divisors is an integer number (4046474880).

Almost surely, 2^852277469940 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 852277469940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1553846353920).

852277469940 is an abundant number, since it is smaller than the sum of its proper divisors (2255415237900).

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

852277469940 is a wasteful number, since it uses less digits than its factorization.

852277469940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289 (or 1281 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 63.

The spelling of 852277469940 in words is "eight hundred fifty-two billion, two hundred seventy-seven million, four hundred sixty-nine thousand, nine hundred forty".