2240042321 has 16 divisors (see below), whose sum is σ = 2490350400. Its totient is φ = 1997659200.

The previous prime is 2240042317. The next prime is 2240042327. The reversal of 2240042321 is 1232400422.

It is a cyclic number.

It is not a de Polignac number, because 2240042321 - 2² = 2240042317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2240042293 and 2240042302.

It is not an unprimeable number, because it can be changed into a prime (2240042327) 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, 326951 + ... + 333731.

It is an arithmetic number, because the mean of its divisors is an integer number (155646900).

Almost surely, 2^2240042321 is an apocalyptic number.

It is an amenable number.

2240042321 is a deficient number, since it is larger than the sum of its proper divisors (250308079).

2240042321 is a wasteful number, since it uses less digits than its factorization.

2240042321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7360.

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

The square root of 2240042321 is about 47329.0853598503. The cubic root of 2240042321 is about 1308.4347641900.

Adding to 2240042321 its reverse (1232400422), we get a palindrome (3472442743).

The spelling of 2240042321 in words is "two billion, two hundred forty million, forty-two thousand, three hundred twenty-one".