4052400321 has 16 divisors (see below), whose sum is σ = 5728245248. Its totient is φ = 2543788800.

The previous prime is 4052400311. The next prime is 4052400323. The reversal of 4052400321 is 1230042504.

It is not a de Polignac number, because 4052400321 - 2⁹ = 4052399809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4052400323) 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, 585400 + ... + 592281.

It is an arithmetic number, because the mean of its divisors is an integer number (358015328).

Almost surely, 2^4052400321 is an apocalyptic number.

It is an amenable number.

4052400321 is a deficient number, since it is larger than the sum of its proper divisors (1675844927).

4052400321 is a wasteful number, since it uses less digits than its factorization.

4052400321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177752.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 4052400321 is about 63658.4662162073. The cubic root of 4052400321 is about 1594.3026954939.

Adding to 4052400321 its reverse (1230042504), we get a palindrome (5282442825).

The spelling of 4052400321 in words is "four billion, fifty-two million, four hundred thousand, three hundred twenty-one".