39948903122 has 18 divisors (see below), whose sum is σ = 60725423493. Its totient is φ = 19710586584.

The previous prime is 39948903119. The next prime is 39948903133. The reversal of 39948903122 is 22130984993.

It can be written as a sum of positive squares in 2 ways, for example, as 29091054721 + 10857848401 = 170561^2 + 104201^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=141331.

It is a Duffinian number.

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 8 ways as a sum of consecutive naturals, for example, 22329404 + ... + 22331192.

Almost surely, 2^39948903122 is an apocalyptic number.

39948903122 is a deficient number, since it is larger than the sum of its proper divisors (20776520371).

39948903122 is an frugal number, since it uses more digits than its factorization.

39948903122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3738 (or 1870 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 50.

Multiplying 39948903122 by its sum of digits (50), we get a square (1997445156100 = 1413310²).

The spelling of 39948903122 in words is "thirty-nine billion, nine hundred forty-eight million, nine hundred three thousand, one hundred twenty-two".