850335444 has 72 divisors (see below), whose sum is σ = 2601039168. Its totient is φ = 228660480.

The previous prime is 850335439. The next prime is 850335469. The reversal of 850335444 is 444533058.

850335444 is a `hidden beast` number, since 85 + 0 + 33 + 544 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 850335399 and 850335408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94962 + ... + 103529.

It is an arithmetic number, because the mean of its divisors is an integer number (36125544).

Almost surely, 2^850335444 is an apocalyptic number.

850335444 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

850335444 is an abundant number, since it is smaller than the sum of its proper divisors (1750703724).

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

850335444 is a wasteful number, since it uses less digits than its factorization.

850335444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198525 (or 198520 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The square root of 850335444 is about 29160.5117239050. The cubic root of 850335444 is about 947.3928307765.

The spelling of 850335444 in words is "eight hundred fifty million, three hundred thirty-five thousand, four hundred forty-four".