340240014332221 has 8 divisors (see below), whose sum is σ = 349597992237624. Its totient is φ = 330890578629120.

The previous prime is 340240014332191. The next prime is 340240014332263. The reversal of 340240014332221 is 122233410042043.

It can be written as a sum of positive squares in 4 ways, for example, as 63696584468196 + 276543429864025 = 7981014^2 + 16629595^2 .

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 340240014332221 - 2³¹ = 340237866848573 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 (340240014332921) 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, 2135469820 + ... + 2135629141.

It is an arithmetic number, because the mean of its divisors is an integer number (43699749029703).

Almost surely, 2^{340240014332221} is an apocalyptic number.

It is an amenable number.

340240014332221 is a deficient number, since it is larger than the sum of its proper divisors (9357977905403).

340240014332221 is a wasteful number, since it uses less digits than its factorization.

340240014332221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4271101151.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 340240014332221 its reverse (122233410042043), we get a palindrome (462473424374264).

The spelling of 340240014332221 in words is "three hundred forty trillion, two hundred forty billion, fourteen million, three hundred thirty-two thousand, two hundred twenty-one".