39385579122 has 54 divisors (see below), whose sum is σ = 88434317127. Its totient is φ = 12667960032.

The previous prime is 39385579087. The next prime is 39385579147. The reversal of 39385579122 is 22197558393.

39385579122 is a `hidden beast` number, since 39 + 38 + 5 + 579 + 1 + 2 + 2 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 25532524521 + 13853054601 = 159789^2 + 117699^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=140331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 24416788 + ... + 24418400.

Almost surely, 2^39385579122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39385579122

39385579122 is an abundant number, since it is smaller than the sum of its proper divisors (49048738005).

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

39385579122 is an equidigital number, since it uses as much as digits as its factorization.

39385579122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3292 (or 1647 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 54.

The spelling of 39385579122 in words is "thirty-nine billion, three hundred eighty-five million, five hundred seventy-nine thousand, one hundred twenty-two".