4024440321 has 32 divisors (see below), whose sum is σ = 6003486720. Its totient is φ = 2376796800.

The previous prime is 4024440317. The next prime is 4024440323. The reversal of 4024440321 is 1230444204.

It is a happy number.

It is not a de Polignac number, because 4024440321 - 2² = 4024440317 is a prime.

It is a super-2 number, since 2×4024440321² = 32392239794581166082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4024440291 and 4024440300.

It is not an unprimeable number, because it can be changed into a prime (4024440323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2140860 + ... + 2142738.

It is an arithmetic number, because the mean of its divisors is an integer number (187608960).

Almost surely, 2^4024440321 is an apocalyptic number.

4024440321 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4024440321 is a deficient number, since it is larger than the sum of its proper divisors (1979046399).

4024440321 is a wasteful number, since it uses less digits than its factorization.

4024440321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3517.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 4024440321 is about 63438.4766604621. The cubic root of 4024440321 is about 1590.6275387713.

Adding to 4024440321 its reverse (1230444204), we get a palindrome (5254884525).

The spelling of 4024440321 in words is "four billion, twenty-four million, four hundred forty thousand, three hundred twenty-one".