4340411223421 has 16 divisors (see below), whose sum is σ = 5342190093184. Its totient is φ = 3434077975104.

The previous prime is 4340411223409. The next prime is 4340411223439. The reversal of 4340411223421 is 1243221140434.

It is a happy number.

It is not a de Polignac number, because 4340411223421 - 2⁵ = 4340411223389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4340411223451) 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, 2810290 + ... + 4071676.

It is an arithmetic number, because the mean of its divisors is an integer number (333886880824).

Almost surely, 2^{4340411223421} is an apocalyptic number.

It is an amenable number.

4340411223421 is a deficient number, since it is larger than the sum of its proper divisors (1001778869763).

4340411223421 is a wasteful number, since it uses less digits than its factorization.

4340411223421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299220.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 4340411223421 its reverse (1243221140434), we get a palindrome (5583632363855).

The spelling of 4340411223421 in words is "four trillion, three hundred forty billion, four hundred eleven million, two hundred twenty-three thousand, four hundred twenty-one".