4491411968 has 40 divisors (see below), whose sum is σ = 9501955452. Its totient is φ = 2113601536.

The previous prime is 4491411941. The next prime is 4491411983. The reversal of 4491411968 is 8691141944.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4479357184 + 12054784 = 66928^2 + 3472^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249305 + ... + 266712.

Almost surely, 2^4491411968 is an apocalyptic number.

It is an amenable number.

4491411968 is an abundant number, since it is smaller than the sum of its proper divisors (5010543484).

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

4491411968 is an equidigital number, since it uses as much as digits as its factorization.

4491411968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516052 (or 516036 counting only the distinct ones).

The product of its digits is 248832, while the sum is 47.

The square root of 4491411968 is about 67017.9973439971. The cubic root of 4491411968 is about 1649.9126942480.

The spelling of 4491411968 in words is "four billion, four hundred ninety-one million, four hundred eleven thousand, nine hundred sixty-eight".