3940106816 has 56 divisors (see below), whose sum is σ = 8174492160. Its totient is φ = 1880727552.

The previous prime is 3940106809. The next prime is 3940106897. The reversal of 3940106816 is 6186010493.

It is a self number, because there is not a number n which added to its sum of digits gives 3940106816.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 847025 + ... + 851663.

Almost surely, 2^3940106816 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 3940106816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4087246080).

3940106816 is an abundant number, since it is smaller than the sum of its proper divisors (4234385344).

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

3940106816 is a wasteful number, since it uses less digits than its factorization.

3940106816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5251 (or 5241 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 3940106816 is about 62770.2701603235. The cubic root of 3940106816 is about 1579.4383005765.

The spelling of 3940106816 in words is "three billion, nine hundred forty million, one hundred six thousand, eight hundred sixteen".