399773434819122 has 96 divisors (see below), whose sum is σ = 1066072112396928. Its totient is φ = 105433800657408.

The previous prime is 399773434819103. The next prime is 399773434819169. The reversal of 399773434819122 is 221918434377993.

399773434819122 is a `hidden beast` number, since 3 + 9 + 9 + 7 + 7 + 3 + 434 + 81 + 91 + 22 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 190673818 + ... + 192759050.

It is an arithmetic number, because the mean of its divisors is an integer number (11104917837468).

Almost surely, 2^{399773434819122} is an apocalyptic number.

399773434819122 is an abundant number, since it is smaller than the sum of its proper divisors (666298677577806).

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

399773434819122 is a wasteful number, since it uses less digits than its factorization.

399773434819122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202304 (or 2202301 counting only the distinct ones).

The product of its digits is 493807104, while the sum is 72.

The spelling of 399773434819122 in words is "three hundred ninety-nine trillion, seven hundred seventy-three billion, four hundred thirty-four million, eight hundred nineteen thousand, one hundred twenty-two".