2440330344421 has 4 divisors (see below), whose sum is σ = 2519050678144. Its totient is φ = 2361610010700.

The previous prime is 2440330344367. The next prime is 2440330344437. The reversal of 2440330344421 is 1244430330442.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2440330344421 - 2³³ = 2431740409829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440330344721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39360166815 + ... + 39360166876.

It is an arithmetic number, because the mean of its divisors is an integer number (629762669536).

Almost surely, 2^{2440330344421} is an apocalyptic number.

It is an amenable number.

2440330344421 is a deficient number, since it is larger than the sum of its proper divisors (78720333723).

2440330344421 is an equidigital number, since it uses as much as digits as its factorization.

2440330344421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78720333722.

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 2440330344421 its reverse (1244430330442), we get a palindrome (3684760674863).

The spelling of 2440330344421 in words is "two trillion, four hundred forty billion, three hundred thirty million, three hundred forty-four thousand, four hundred twenty-one".