445480727464566 has 48 divisors (see below), whose sum is σ = 965457493724880. Its totient is φ = 148455234406080.

The previous prime is 445480727464543. The next prime is 445480727464601. The reversal of 445480727464566 is 665464727084544.

It is a happy number.

445480727464566 is a `hidden beast` number, since 4 + 4 + 5 + 4 + 80 + 7 + 27 + 464 + 5 + 66 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 445480727464494 and 445480727464503.

It is a congruent number.

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, 1142095500 + ... + 1142485488.

It is an arithmetic number, because the mean of its divisors is an integer number (20113697785935).

Almost surely, 2^{445480727464566} is an apocalyptic number.

445480727464566 is an abundant number, since it is smaller than the sum of its proper divisors (519976766260314).

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

445480727464566 is a wasteful number, since it uses less digits than its factorization.

445480727464566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406221 (or 406218 counting only the distinct ones).

The product of its (nonzero) digits is 4335206400, while the sum is 72.

The spelling of 445480727464566 in words is "four hundred forty-five trillion, four hundred eighty billion, seven hundred twenty-seven million, four hundred sixty-four thousand, five hundred sixty-six".