5440122321 has 16 divisors (see below), whose sum is σ = 7452681600. Its totient is φ = 3527238528.

The previous prime is 5440122299. The next prime is 5440122329. The reversal of 5440122321 is 1232210445.

It is not a de Polignac number, because 5440122321 - 2⁶ = 5440122257 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5440122291 and 5440122300.

It is not an unprimeable number, because it can be changed into a prime (5440122329) 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, 293940 + ... + 311898.

It is an arithmetic number, because the mean of its divisors is an integer number (465792600).

Almost surely, 2^5440122321 is an apocalyptic number.

It is an amenable number.

5440122321 is a deficient number, since it is larger than the sum of its proper divisors (2012559279).

5440122321 is a wasteful number, since it uses less digits than its factorization.

5440122321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20728.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 5440122321 is about 73757.1848771359. The cubic root of 5440122321 is about 1758.7450507400.

Adding to 5440122321 its reverse (1232210445), we get a palindrome (6672332766).

The spelling of 5440122321 in words is "five billion, four hundred forty million, one hundred twenty-two thousand, three hundred twenty-one".