340436002344421 has 8 divisors (see below), whose sum is σ = 341608357958400. Its totient is φ = 339265570203360.

The previous prime is 340436002344377. The next prime is 340436002344457. The reversal of 340436002344421 is 124443200634043.

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 340436002344421 - 2¹⁹ = 340436001820133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340436002344491) 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, 480513640 + ... + 481221601.

It is an arithmetic number, because the mean of its divisors is an integer number (42701044744800).

Almost surely, 2^{340436002344421} is an apocalyptic number.

It is an amenable number.

340436002344421 is a deficient number, since it is larger than the sum of its proper divisors (1172355613979).

340436002344421 is an equidigital number, since it uses as much as digits as its factorization.

340436002344421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961736459.

The product of its (nonzero) digits is 663552, while the sum is 40.

Adding to 340436002344421 its reverse (124443200634043), we get a palindrome (464879202978464).

The spelling of 340436002344421 in words is "three hundred forty trillion, four hundred thirty-six billion, two million, three hundred forty-four thousand, four hundred twenty-one".