4400023424 has 32 divisors (see below), whose sum is σ = 9002591400. Its totient is φ = 2140549632.

The previous prime is 4400023423. The next prime is 4400023451. The reversal of 4400023424 is 4243200044.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×4400023424² = 38720412263497367552, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4400023424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4400023423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459794 + ... + 469265.

Almost surely, 2^4400023424 is an apocalyptic number.

It is an amenable number.

4400023424 is an abundant number, since it is smaller than the sum of its proper divisors (4602567976).

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

4400023424 is an equidigital number, since it uses as much as digits as its factorization.

4400023424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929110 (or 929098 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 4400023424 is about 66332.6723719164. The cubic root of 4400023424 is about 1638.6454490418.

Adding to 4400023424 its reverse (4243200044), we get a palindrome (8643223468).

The spelling of 4400023424 in words is "four billion, four hundred million, twenty-three thousand, four hundred twenty-four".