849246802128 has 160 divisors (see below), whose sum is σ = 2572951193600. Its totient is φ = 267451507584.

The previous prime is 849246802093. The next prime is 849246802139. The reversal of 849246802128 is 821208642948.

849246802128 is a `hidden beast` number, since 84 + 92 + 468 + 0 + 2 + 12 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2871375 + ... + 3153297.

It is an arithmetic number, because the mean of its divisors is an integer number (16080944960).

Almost surely, 2^849246802128 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 849246802128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1286475596800).

849246802128 is an abundant number, since it is smaller than the sum of its proper divisors (1723704391472).

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

849246802128 is a wasteful number, since it uses less digits than its factorization.

849246802128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282326 (or 282314 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 54.

The spelling of 849246802128 in words is "eight hundred forty-nine billion, two hundred forty-six million, eight hundred two thousand, one hundred twenty-eight".