340320413441221 has 8 divisors (see below), whose sum is σ = 344629819402880. Its totient is φ = 336011046295392.

The previous prime is 340320413441179. The next prime is 340320413441231. The reversal of 340320413441221 is 122144314023043.

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 340320413441221 - 2¹¹ = 340320413439173 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 (340320413441231) 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, 8148841 + ... + 27332113.

It is an arithmetic number, because the mean of its divisors is an integer number (43078727425360).

Almost surely, 2^{340320413441221} is an apocalyptic number.

It is an amenable number.

340320413441221 is a deficient number, since it is larger than the sum of its proper divisors (4309405961659).

340320413441221 is a wasteful number, since it uses less digits than its factorization.

340320413441221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19407915.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 340320413441221 its reverse (122144314023043), we get a palindrome (462464727464264).

The spelling of 340320413441221 in words is "three hundred forty trillion, three hundred twenty billion, four hundred thirteen million, four hundred forty-one thousand, two hundred twenty-one".