4004448890 has 16 divisors (see below), whose sum is σ = 7762470408. Its totient is φ = 1478565696.

The previous prime is 4004448871. The next prime is 4004448937. The reversal of 4004448890 is 988444004.

It can be written as a sum of positive squares in 4 ways, for example, as 1860110641 + 2144338249 = 43129^2 + 46307^2 .

It is a super-2 number, since 2×4004448890² = 32071221825244464200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15401597 + ... + 15401856.

Almost surely, 2^4004448890 is an apocalyptic number.

4004448890 is a deficient number, since it is larger than the sum of its proper divisors (3758021518).

4004448890 is a wasteful number, since it uses less digits than its factorization.

4004448890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30803473.

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 4004448890 is about 63280.7149928001. The cubic root of 4004448890 is about 1587.9893483054.

The spelling of 4004448890 in words is "four billion, four million, four hundred forty-eight thousand, eight hundred ninety".