4340221312405 has 8 divisors (see below), whose sum is σ = 5681744263584. Its totient is φ = 3156524590800.

The previous prime is 4340221312313. The next prime is 4340221312417. The reversal of 4340221312405 is 5042131220434.

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

It is not a de Polignac number, because 4340221312405 - 2¹¹ = 4340221310357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39456557331 + ... + 39456557440.

It is an arithmetic number, because the mean of its divisors is an integer number (710218032948).

Almost surely, 2^{4340221312405} is an apocalyptic number.

It is an amenable number.

4340221312405 is a deficient number, since it is larger than the sum of its proper divisors (1341522951179).

4340221312405 is a wasteful number, since it uses less digits than its factorization.

4340221312405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78913114787.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 4340221312405 its reverse (5042131220434), we get a palindrome (9382352532839).

The spelling of 4340221312405 in words is "four trillion, three hundred forty billion, two hundred twenty-one million, three hundred twelve thousand, four hundred five".