806465444564608 has 64 divisors (see below), whose sum is σ = 1612256114689920. Its totient is φ = 401822474987520.

The previous prime is 806465444564597. The next prime is 806465444564677.

806465444564608 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53997060 + ... + 67294972.

It is an arithmetic number, because the mean of its divisors is an integer number (25191501792030).

Almost surely, 2^{806465444564608} is an apocalyptic number.

It is an amenable number.

806465444564608 is a deficient number, since it is larger than the sum of its proper divisors (805790670125312).

806465444564608 is a wasteful number, since it uses less digits than its factorization.

806465444564608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13299585 (or 13299573 counting only the distinct ones).

The product of its (nonzero) digits is 2123366400, while the sum is 70.

The spelling of 806465444564608 in words is "eight hundred six trillion, four hundred sixty-five billion, four hundred forty-four million, five hundred sixty-four thousand, six hundred eight".