850520038194 has 48 divisors (see below), whose sum is σ = 1952320150872. Its totient is φ = 266675679744.

The previous prime is 850520038189. The next prime is 850520038213. The reversal of 850520038194 is 491830025058.

850520038194 is a `hidden beast` number, since 8 + 5 + 0 + 520 + 0 + 38 + 1 + 94 = 666.

850520038194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 528449033025 + 322071005169 = 726945^2 + 567513^2 .

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, 271629 + ... + 1332224.

Almost surely, 2^850520038194 is an apocalyptic number.

850520038194 is an abundant number, since it is smaller than the sum of its proper divisors (1101800112678).

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

850520038194 is a wasteful number, since it uses less digits than its factorization.

850520038194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605611 (or 1605608 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 850520038194 in words is "eight hundred fifty billion, five hundred twenty million, thirty-eight thousand, one hundred ninety-four".