446644666622 has 48 divisors (see below), whose sum is σ = 858617334000. Its totient is φ = 172294416000.

The previous prime is 446644666609. The next prime is 446644666631. The reversal of 446644666622 is 226666446644.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1942247 + ... + 2160002.

It is an arithmetic number, because the mean of its divisors is an integer number (17887861125).

It is a self-describing number.

Almost surely, 2^446644666622 is an apocalyptic number.

446644666622 is a deficient number, since it is larger than the sum of its proper divisors (411972667378).

446644666622 is a wasteful number, since it uses less digits than its factorization.

446644666622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4102377 (or 4102370 counting only the distinct ones).

The product of its digits is 47775744, while the sum is 56.

The spelling of 446644666622 in words is "four hundred forty-six billion, six hundred forty-four million, six hundred sixty-six thousand, six hundred twenty-two".