2240403321 has 16 divisors (see below), whose sum is σ = 3218087936. Its totient is φ = 1378238976.

The previous prime is 2240403307. The next prime is 2240403349. The reversal of 2240403321 is 1233040422.

It is a de Polignac number, because none of the positive numbers 2^k-2240403321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2240403301) 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 15 ways as a sum of consecutive naturals, for example, 131721 + ... + 147753.

It is an arithmetic number, because the mean of its divisors is an integer number (201130496).

Almost surely, 2^2240403321 is an apocalyptic number.

It is an amenable number.

2240403321 is a deficient number, since it is larger than the sum of its proper divisors (977684615).

2240403321 is a wasteful number, since it uses less digits than its factorization.

2240403321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19632.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2240403321 is about 47332.8989287578. The cubic root of 2240403321 is about 1308.5050485137.

Adding to 2240403321 its reverse (1233040422), we get a palindrome (3473443743).

The spelling of 2240403321 in words is "two billion, two hundred forty million, four hundred three thousand, three hundred twenty-one".