3940605568 has 32 divisors (see below), whose sum is σ = 7856782560. Its totient is φ = 1968707328.

The previous prime is 3940605547. The next prime is 3940605587. The reversal of 3940605568 is 8655060493.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154971 + ... + 178597.

It is an arithmetic number, because the mean of its divisors is an integer number (245524455).

Almost surely, 2^3940605568 is an apocalyptic number.

It is an amenable number.

3940605568 is a deficient number, since it is larger than the sum of its proper divisors (3916176992).

3940605568 is a wasteful number, since it uses less digits than its factorization.

3940605568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24944 (or 24932 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 46.

The square root of 3940605568 is about 62774.2428707826. The cubic root of 3940605568 is about 1579.5049413058.

The spelling of 3940605568 in words is "three billion, nine hundred forty million, six hundred five thousand, five hundred sixty-eight".