340447064178 has 16 divisors (see below), whose sum is σ = 733270599936. Its totient is φ = 104752942800.

The previous prime is 340447064159. The next prime is 340447064219. The reversal of 340447064178 is 871460744043.

It is a Curzon number.

It is an unprimeable number.

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, 2182352898 + ... + 2182353053.

It is an arithmetic number, because the mean of its divisors is an integer number (45829412496).

Almost surely, 2^340447064178 is an apocalyptic number.

340447064178 is an abundant number, since it is smaller than the sum of its proper divisors (392823535758).

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

340447064178 is a wasteful number, since it uses less digits than its factorization.

340447064178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4364705969.

The product of its (nonzero) digits is 1806336, while the sum is 48.

The spelling of 340447064178 in words is "three hundred forty billion, four hundred forty-seven million, sixty-four thousand, one hundred seventy-eight".