4400012424 has 64 divisors (see below), whose sum is σ = 11489581440. Its totient is φ = 1401523200.

The previous prime is 4400012417. The next prime is 4400012429. The reversal of 4400012424 is 4242100044.

It is a self number, because there is not a number n which added to its sum of digits gives 4400012424.

It is not an unprimeable number, because it can be changed into a prime (4400012429) 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, 659634 + ... + 666270.

It is an arithmetic number, because the mean of its divisors is an integer number (179524710).

Almost surely, 2^4400012424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4400012424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5744790720).

4400012424 is an abundant number, since it is smaller than the sum of its proper divisors (7089569016).

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

4400012424 is a wasteful number, since it uses less digits than its factorization.

4400012424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7870 (or 7866 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 4400012424 is about 66332.5894564655. The cubic root of 4400012424 is about 1638.6440835101.

Adding to 4400012424 its reverse (4242100044), we get a palindrome (8642112468).

The spelling of 4400012424 in words is "four billion, four hundred million, twelve thousand, four hundred twenty-four".