4004420524 has 18 divisors (see below), whose sum is σ = 7588259700. Its totient is φ = 1848193776.

The previous prime is 4004420503. The next prime is 4004420531. The reversal of 4004420524 is 4250244004.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2961174 + ... + 2962525.

Almost surely, 2^4004420524 is an apocalyptic number.

It is an amenable number.

4004420524 is a deficient number, since it is larger than the sum of its proper divisors (3583839176).

4004420524 is a wasteful number, since it uses less digits than its factorization.

4004420524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5923729 (or 5923714 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 4004420524 is about 63280.4908640886. The cubic root of 4004420524 is about 1587.9855987248.

Adding to 4004420524 its reverse (4250244004), we get a palindrome (8254664528).

The spelling of 4004420524 in words is "four billion, four million, four hundred twenty thousand, five hundred twenty-four".