4340644566 has 16 divisors (see below), whose sum is σ = 8915919024. Its totient is φ = 1407776544.

The previous prime is 4340644559. The next prime is 4340644591. The reversal of 4340644566 is 6654460434.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9776005 + ... + 9776448.

It is an arithmetic number, because the mean of its divisors is an integer number (557244939).

Almost surely, 2^4340644566 is an apocalyptic number.

4340644566 is an abundant number, since it is smaller than the sum of its proper divisors (4575274458).

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

4340644566 is a wasteful number, since it uses less digits than its factorization.

4340644566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19552495.

The product of its (nonzero) digits is 829440, while the sum is 42.

The square root of 4340644566 is about 65883.5682549147. The cubic root of 4340644566 is about 1631.2407988677.

The spelling of 4340644566 in words is "four billion, three hundred forty million, six hundred forty-four thousand, five hundred sixty-six".