4040021324 has 24 divisors (see below), whose sum is σ = 7154434560. Its totient is φ = 1995984144.

The previous prime is 4040021317. The next prime is 4040021327. The reversal of 4040021324 is 4231200404.

It is a junction number, because it is equal to n+sod(n) for n = 4040021296 and 4040021305.

It is not an unprimeable number, because it can be changed into a prime (4040021327) 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, 180167 + ... + 201345.

It is an arithmetic number, because the mean of its divisors is an integer number (298101440).

Almost surely, 2^4040021324 is an apocalyptic number.

It is an amenable number.

4040021324 is a deficient number, since it is larger than the sum of its proper divisors (3114413236).

4040021324 is a wasteful number, since it uses less digits than its factorization.

4040021324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21749 (or 21747 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4040021324 is about 63561.1620724480. The cubic root of 4040021324 is about 1592.6776505145.

Adding to 4040021324 its reverse (4231200404), we get a palindrome (8271221728).

The spelling of 4040021324 in words is "four billion, forty million, twenty-one thousand, three hundred twenty-four".