3948112640 has 72 divisors (see below), whose sum is σ = 10013310720. Its totient is φ = 1486340096.

The previous prime is 3948112621. The next prime is 3948112661. The reversal of 3948112640 is 462118493.

It is a junction number, because it is equal to n+sod(n) for n = 3948112594 and 3948112603.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68960 + ... + 112479.

It is an arithmetic number, because the mean of its divisors is an integer number (139073760).

Almost surely, 2^3948112640 is an apocalyptic number.

It is an amenable number.

3948112640 is an abundant number, since it is smaller than the sum of its proper divisors (6065198080).

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

3948112640 is a wasteful number, since it uses less digits than its factorization.

3948112640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181477 (or 181463 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 3948112640 is about 62834.0086259026. The cubic root of 3948112640 is about 1580.5073198632.

The spelling of 3948112640 in words is "three billion, nine hundred forty-eight million, one hundred twelve thousand, six hundred forty".