340402002043218 has 16 divisors (see below), whose sum is σ = 682468561558560. Its totient is φ = 113189907769056.

The previous prime is 340402002043141. The next prime is 340402002043219. The reversal of 340402002043218 is 812340200204043.

It is not an unprimeable number, because it can be changed into a prime (340402002043219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69356558680 + ... + 69356563587.

It is an arithmetic number, because the mean of its divisors is an integer number (42654285097410).

Almost surely, 2^{340402002043218} is an apocalyptic number.

340402002043218 is an abundant number, since it is smaller than the sum of its proper divisors (342066559515342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340402002043218 is a wasteful number, since it uses less digits than its factorization.

340402002043218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138713122681.

The product of its (nonzero) digits is 36864, while the sum is 33.

The spelling of 340402002043218 in words is "three hundred forty trillion, four hundred two billion, two million, forty-three thousand, two hundred eighteen".