394149326850 has 36 divisors (see below), whose sum is σ = 1058947859346. Its totient is φ = 105106487040.

The previous prime is 394149326807. The next prime is 394149326863. The reversal of 394149326850 is 58623941493.

394149326850 is a `hidden beast` number, since 3 + 9 + 41 + 493 + 2 + 68 + 50 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 177664779009 + 216484547841 = 421503^2 + 465279^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 437943247 + ... + 437944146.

Almost surely, 2^394149326850 is an apocalyptic number.

394149326850 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

394149326850 is an abundant number, since it is smaller than the sum of its proper divisors (664798532496).

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

394149326850 is a wasteful number, since it uses less digits than its factorization.

394149326850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875887411 (or 875887403 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 394149326850 in words is "three hundred ninety-four billion, one hundred forty-nine million, three hundred twenty-six thousand, eight hundred fifty".