340024213405 has 16 divisors (see below), whose sum is σ = 412012617840. Its totient is φ = 269373376512.

The previous prime is 340024213381. The next prime is 340024213453. The reversal of 340024213405 is 504312420043.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 989354116 + 339034859289 = 31454^2 + 582267^2 .

It is a cyclic number.

It is not a de Polignac number, because 340024213405 - 2¹⁵ = 340024180637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326664 + ... + 886993.

It is an arithmetic number, because the mean of its divisors is an integer number (25750788615).

Almost surely, 2^340024213405 is an apocalyptic number.

It is an amenable number.

340024213405 is a deficient number, since it is larger than the sum of its proper divisors (71988404435).

340024213405 is a wasteful number, since it uses less digits than its factorization.

340024213405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214208.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 340024213405 its reverse (504312420043), we get a palindrome (844336633448).

The spelling of 340024213405 in words is "three hundred forty billion, twenty-four million, two hundred thirteen thousand, four hundred five".