4400004024 has 64 divisors (see below), whose sum is σ = 13162413600. Its totient is φ = 1353846528.

The previous prime is 4400004023. The next prime is 4400004041. The reversal of 4400004024 is 4204000044.

It is a happy number.

It is a super-2 number, since 2×4400004024² = 38720070822432385152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 4400003988 and 4400004006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4400004023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 780669 + ... + 786284.

Almost surely, 2^4400004024 is an apocalyptic number.

It is an amenable number.

4400004024 is an abundant number, since it is smaller than the sum of its proper divisors (8762409576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4400004024 is a wasteful number, since it uses less digits than its factorization.

4400004024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566981 (or 1566971 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 4400004024 is about 66332.5261391423. The cubic root of 4400004024 is about 1638.6430407388.

Adding to 4400004024 its reverse (4204000044), we get a palindrome (8604004068).

The spelling of 4400004024 in words is "four billion, four hundred million, four thousand, twenty-four".