340446433421326 has 16 divisors (see below), whose sum is σ = 514230246156960. Its totient is φ = 169037650622880.

The previous prime is 340446433421257. The next prime is 340446433421389. The reversal of 340446433421326 is 623124334644043.

It is a self number, because there is not a number n which added to its sum of digits gives 340446433421326.

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 7 ways as a sum of consecutive naturals, for example, 324288490 + ... + 325336621.

It is an arithmetic number, because the mean of its divisors is an integer number (32139390384810).

Almost surely, 2^{340446433421326} is an apocalyptic number.

340446433421326 is a deficient number, since it is larger than the sum of its proper divisors (173783812735634).

340446433421326 is a wasteful number, since it uses less digits than its factorization.

340446433421326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649626939.

The product of its (nonzero) digits is 11943936, while the sum is 49.

The spelling of 340446433421326 in words is "three hundred forty trillion, four hundred forty-six billion, four hundred thirty-three million, four hundred twenty-one thousand, three hundred twenty-six".