850044128 has 24 divisors (see below), whose sum is σ = 1676151792. Its totient is φ = 424354816.

The previous prime is 850044127. The next prime is 850044131. The reversal of 850044128 is 821440058.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 850044094 and 850044103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850044127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176 + ... + 41232.

It is an arithmetic number, because the mean of its divisors is an integer number (69839658).

Almost surely, 2^850044128 is an apocalyptic number.

It is an amenable number.

850044128 is a deficient number, since it is larger than the sum of its proper divisors (826107664).

850044128 is a wasteful number, since it uses less digits than its factorization.

850044128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41714 (or 41706 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 850044128 is about 29155.5162533610. The cubic root of 850044128 is about 947.2846294720.

The spelling of 850044128 in words is "eight hundred fifty million, forty-four thousand, one hundred twenty-eight".