3960796040 has 64 divisors (see below), whose sum is σ = 9100730160. Its totient is φ = 1551052800.

The previous prime is 3960796039. The next prime is 3960796057. The reversal of 3960796040 is 406970693.

It can be written as a sum of positive squares in 8 ways, for example, as 3095141956 + 865654084 = 55634^2 + 29422^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3960795982 and 3960796000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395090 + ... + 404990.

Almost surely, 2^3960796040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3960796040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4550365080).

3960796040 is an abundant number, since it is smaller than the sum of its proper divisors (5139934120).

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

3960796040 is a wasteful number, since it uses less digits than its factorization.

3960796040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10122 (or 10118 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 3960796040 is about 62934.8555253764. The cubic root of 3960796040 is about 1582.1979824068.

The spelling of 3960796040 in words is "three billion, nine hundred sixty million, seven hundred ninety-six thousand, forty".