850445568 has 432 divisors, whose sum is σ = 3057169920. Its totient is φ = 235146240.

The previous prime is 850445551. The next prime is 850445569. The reversal of 850445568 is 865544058.

850445568 is a `hidden beast` number, since 8 + 50 + 44 + 556 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850445569) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27433713 + ... + 27433743.

Almost surely, 2^850445568 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 850445568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1528584960).

850445568 is an abundant number, since it is smaller than the sum of its proper divisors (2206724352).

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

850445568 is an frugal number, since it uses more digits than its factorization.

850445568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 43 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 45.

The square root of 850445568 is about 29162.3999012427. The cubic root of 850445568 is about 947.4337268665.

The spelling of 850445568 in words is "eight hundred fifty million, four hundred forty-five thousand, five hundred sixty-eight".