3960870816 has 48 divisors (see below), whose sum is σ = 11882614464. Its totient is φ = 1131677184.

The previous prime is 3960870799. The next prime is 3960870827. The reversal of 3960870816 is 6180780693.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 2946405 + ... + 2947748.

It is an arithmetic number, because the mean of its divisors is an integer number (247554468).

Almost surely, 2^3960870816 is an apocalyptic number.

It is an amenable number.

3960870816 is an abundant number, since it is smaller than the sum of its proper divisors (7921743648).

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

3960870816 is a wasteful number, since it uses less digits than its factorization.

3960870816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5894173 (or 5894165 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 3960870816 is about 62935.4495971865. The cubic root of 3960870816 is about 1582.2079391335.

The spelling of 3960870816 in words is "three billion, nine hundred sixty million, eight hundred seventy thousand, eight hundred sixteen".