3965940464 has 20 divisors (see below), whose sum is σ = 7847500704. Its totient is φ = 1940779008.

The previous prime is 3965940463. The next prime is 3965940467. The reversal of 3965940464 is 4640495693.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3965940463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2636177 + ... + 2637680.

Almost surely, 2^3965940464 is an apocalyptic number.

It is an amenable number.

3965940464 is a deficient number, since it is larger than the sum of its proper divisors (3881560240).

3965940464 is a wasteful number, since it uses less digits than its factorization.

3965940464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5273912 (or 5273906 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 50.

The square root of 3965940464 is about 62975.7132869490. The cubic root of 3965940464 is about 1582.8826912191.

The spelling of 3965940464 in words is "three billion, nine hundred sixty-five million, nine hundred forty thousand, four hundred sixty-four".