851002044 has 24 divisors (see below), whose sum is σ = 1993405008. Its totient is φ = 282562560.

The previous prime is 851002043. The next prime is 851002073. The reversal of 851002044 is 440200158.

851002044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (851002043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134887 + ... + 141054.

It is an arithmetic number, because the mean of its divisors is an integer number (83058542).

Almost surely, 2^851002044 is an apocalyptic number.

It is an amenable number.

851002044 is an abundant number, since it is smaller than the sum of its proper divisors (1142402964).

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

851002044 is a wasteful number, since it uses less digits than its factorization.

851002044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276205 (or 276203 counting only the distinct ones).

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

The square root of 851002044 is about 29171.9393253174. The cubic root of 851002044 is about 947.6403280485.

The spelling of 851002044 in words is "eight hundred fifty-one million, two thousand, forty-four".