446789628666 has 48 divisors (see below), whose sum is σ = 1025095780800. Its totient is φ = 140246584704.

The previous prime is 446789628613. The next prime is 446789628757. The reversal of 446789628666 is 666826987644.

It is a junction number, because it is equal to n+sod(n) for n = 446789628594 and 446789628603.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3854271 + ... + 3968498.

It is an arithmetic number, because the mean of its divisors is an integer number (21356162100).

Almost surely, 2^446789628666 is an apocalyptic number.

446789628666 is an abundant number, since it is smaller than the sum of its proper divisors (578306152134).

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

446789628666 is a wasteful number, since it uses less digits than its factorization.

446789628666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7822963 (or 7822960 counting only the distinct ones).

The product of its digits is 1003290624, while the sum is 72.

The spelling of 446789628666 in words is "four hundred forty-six billion, seven hundred eighty-nine million, six hundred twenty-eight thousand, six hundred sixty-six".