4004421124 has 24 divisors (see below), whose sum is σ = 7723624608. Its totient is φ = 1801424640.

The previous prime is 4004421121. The next prime is 4004421137. The reversal of 4004421124 is 4211244004.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 4004421095 and 4004421104.

It is not an unprimeable number, because it can be changed into a prime (4004421121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464854 + ... + 473389.

It is an arithmetic number, because the mean of its divisors is an integer number (321817692).

Almost surely, 2^4004421124 is an apocalyptic number.

4004421124 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4004421124 is a deficient number, since it is larger than the sum of its proper divisors (3719203484).

4004421124 is a wasteful number, since it uses less digits than its factorization.

4004421124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938355 (or 938353 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 4004421124 is about 63280.4956048860. The cubic root of 4004421124 is about 1587.9856780364.

Adding to 4004421124 its reverse (4211244004), we get a palindrome (8215665128).

The spelling of 4004421124 in words is "four billion, four million, four hundred twenty-one thousand, one hundred twenty-four".