2140044321 has 8 divisors (see below), whose sum is σ = 2854262880. Its totient is φ = 1426260992.

The previous prime is 2140044311. The next prime is 2140044331. The reversal of 2140044321 is 1234400412.

It is an interprime number because it is at equal distance from previous prime (2140044311) and next prime (2140044331).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2140044321 - 2¹⁷ = 2139913249 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2140044301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97155 + ... + 117128.

It is an arithmetic number, because the mean of its divisors is an integer number (356782860).

Almost surely, 2^2140044321 is an apocalyptic number.

It is an amenable number.

2140044321 is a deficient number, since it is larger than the sum of its proper divisors (714218559).

2140044321 is a wasteful number, since it uses less digits than its factorization.

2140044321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217615.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2140044321 is about 46260.6130633825. The cubic root of 2140044321 is about 1288.6676388427.

Adding to 2140044321 its reverse (1234400412), we get a palindrome (3374444733).

The spelling of 2140044321 in words is "two billion, one hundred forty million, forty-four thousand, three hundred twenty-one".