850490044 has 48 divisors (see below), whose sum is σ = 1585963008. Its totient is φ = 398236608.

The previous prime is 850490033. The next prime is 850490057. The reversal of 850490044 is 440094058.

It is a junction number, because it is equal to n+sod(n) for n = 850489991 and 850490009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 969334 + ... + 970210.

It is an arithmetic number, because the mean of its divisors is an integer number (33040896).

Almost surely, 2^850490044 is an apocalyptic number.

It is an amenable number.

850490044 is a deficient number, since it is larger than the sum of its proper divisors (735472964).

850490044 is a wasteful number, since it uses less digits than its factorization.

850490044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114 (or 1112 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 850490044 is about 29163.1624485411. The cubic root of 850490044 is about 947.4502426513.

The spelling of 850490044 in words is "eight hundred fifty million, four hundred ninety thousand, forty-four".