2340413404221 has 4 divisors (see below), whose sum is σ = 3120551205632. Its totient is φ = 1560275602812.

The previous prime is 2340413404177. The next prime is 2340413404267. The reversal of 2340413404221 is 1224043140432.

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 not a de Polignac number, because 2340413404221 - 2¹⁹ = 2340412879933 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 (2340413404271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390068900701 + ... + 390068900706.

It is an arithmetic number, because the mean of its divisors is an integer number (780137801408).

Almost surely, 2^{2340413404221} is an apocalyptic number.

It is an amenable number.

2340413404221 is a deficient number, since it is larger than the sum of its proper divisors (780137801411).

2340413404221 is an equidigital number, since it uses as much as digits as its factorization.

2340413404221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780137801410.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 2340413404221 its reverse (1224043140432), we get a palindrome (3564456544653).

The spelling of 2340413404221 in words is "two trillion, three hundred forty billion, four hundred thirteen million, four hundred four thousand, two hundred twenty-one".