4004420444 has 6 divisors (see below), whose sum is σ = 7007735784. Its totient is φ = 2002210220.

The previous prime is 4004420429. The next prime is 4004420467. The reversal of 4004420444 is 4440244004.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500552552 + ... + 500552559.

It is an arithmetic number, because the mean of its divisors is an integer number (1167955964).

Almost surely, 2^4004420444 is an apocalyptic number.

It is an amenable number.

4004420444 is a deficient number, since it is larger than the sum of its proper divisors (3003315340).

4004420444 is a wasteful number, since it uses less digits than its factorization.

4004420444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001105115 (or 1001105113 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

The square root of 4004420444 is about 63280.4902319822. The cubic root of 4004420444 is about 1587.9855881499.

Adding to 4004420444 its reverse (4440244004), we get a palindrome (8444664448).

The spelling of 4004420444 in words is "four billion, four million, four hundred twenty thousand, four hundred forty-four".