850044120 has 128 divisors (see below), whose sum is σ = 2698099200. Its totient is φ = 213801984.

The previous prime is 850044119. The next prime is 850044127. The reversal of 850044120 is 21440058.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199371 + ... + 203589.

It is an arithmetic number, because the mean of its divisors is an integer number (21078900).

Almost surely, 2^850044120 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 850044120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1349049600).

850044120 is an abundant number, since it is smaller than the sum of its proper divisors (1848055080).

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

850044120 is a wasteful number, since it uses less digits than its factorization.

850044120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4329 (or 4325 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 850044120 is about 29155.5161161657. The cubic root of 850044120 is about 947.2846265002.

Adding to 850044120 its reverse (21440058), we get a palindrome (871484178).

The spelling of 850044120 in words is "eight hundred fifty million, forty-four thousand, one hundred twenty".