849455222850 has 384 divisors, whose sum is σ = 2572672838400. Its totient is φ = 204817766400.

The previous prime is 849455222843. The next prime is 849455222857. The reversal of 849455222850 is 58222554948.

849455222850 is a `hidden beast` number, since 8 + 4 + 9 + 4 + 552 + 2 + 2 + 85 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (849455222843) and next prime (849455222857).

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

It is not an unprimeable number, because it can be changed into a prime (849455222857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 324094540 + ... + 324097160.

It is an arithmetic number, because the mean of its divisors is an integer number (6699668850).

Almost surely, 2^849455222850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 849455222850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1286336419200).

849455222850 is an abundant number, since it is smaller than the sum of its proper divisors (1723217615550).

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

849455222850 is a wasteful number, since it uses less digits than its factorization.

849455222850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3027 (or 3016 counting only the distinct ones).

The product of its (nonzero) digits is 9216000, while the sum is 54.

The spelling of 849455222850 in words is "eight hundred forty-nine billion, four hundred fifty-five million, two hundred twenty-two thousand, eight hundred fifty".