446446464 has 32 divisors (see below), whose sum is σ = 1185874440. Its totient is φ = 148815360.

The previous prime is 446446447. The next prime is 446446489. The reversal of 446446464 is 464644644.

It is a tau number, because it is divible by the number of its divisors (32).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580927 + ... + 581694.

Almost surely, 2^446446464 is an apocalyptic number.

It is an amenable number.

446446464 is an abundant number, since it is smaller than the sum of its proper divisors (739427976).

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

446446464 is a wasteful number, since it uses less digits than its factorization.

446446464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162638 (or 1162626 counting only the distinct ones).

The product of its digits is 884736, while the sum is 42.

The square root of 446446464 is about 21129.2797794908. The cubic root of 446446464 is about 764.2869822704.

The spelling of 446446464 in words is "four hundred forty-six million, four hundred forty-six thousand, four hundred sixty-four".