340644066 has 32 divisors (see below), whose sum is σ = 779891328. Its totient is φ = 97167360.

The previous prime is 340644049. The next prime is 340644077. The reversal of 340644066 is 660446043.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20596 + ... + 33248.

It is an arithmetic number, because the mean of its divisors is an integer number (24371604).

Almost surely, 2^340644066 is an apocalyptic number.

340644066 is an abundant number, since it is smaller than the sum of its proper divisors (439247262).

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

340644066 is a wasteful number, since it uses less digits than its factorization.

340644066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13306.

The product of its (nonzero) digits is 41472, while the sum is 33.

The square root of 340644066 is about 18456.5453430484. The cubic root of 340644066 is about 698.3936403560.

The spelling of 340644066 in words is "three hundred forty million, six hundred forty-four thousand, sixty-six".