4004478819 has 24 divisors (see below), whose sum is σ = 6444352512. Its totient is φ = 2375316720.

The previous prime is 4004478811. The next prime is 4004478823. The reversal of 4004478819 is 9188744004.

It is not a de Polignac number, because 4004478819 - 2³ = 4004478811 is a prime.

It is a super-2 number, since 2×4004478819² = 32071701223639269522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4004478811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 425659 + ... + 434964.

It is an arithmetic number, because the mean of its divisors is an integer number (268514688).

Almost surely, 2^4004478819 is an apocalyptic number.

4004478819 is a deficient number, since it is larger than the sum of its proper divisors (2439873693).

4004478819 is a wasteful number, since it uses less digits than its factorization.

4004478819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860687 (or 860684 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 4004478819 is about 63280.9514704070. The cubic root of 4004478819 is about 1587.9933044732.

The spelling of 4004478819 in words is "four billion, four million, four hundred seventy-eight thousand, eight hundred nineteen".