3960440443 has 2 divisors, whose sum is σ = 3960440444. Its totient is φ = 3960440442.

The previous prime is 3960440399. The next prime is 3960440453. The reversal of 3960440443 is 3440440693.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3960440443 is a prime.

It is not a weakly prime, because it can be changed into another prime (3960440453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1980220221 + 1980220222.

It is an arithmetic number, because the mean of its divisors is an integer number (1980220222).

Almost surely, 2^3960440443 is an apocalyptic number.

3960440443 is a deficient number, since it is larger than the sum of its proper divisors (1).

3960440443 is an equidigital number, since it uses as much as digits as its factorization.

3960440443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 37.

The square root of 3960440443 is about 62932.0303422669. The cubic root of 3960440443 is about 1582.1506315133.

The spelling of 3960440443 in words is "three billion, nine hundred sixty million, four hundred forty thousand, four hundred forty-three".