445500664 has 32 divisors (see below), whose sum is σ = 955432800. Its totient is φ = 190771200.

The previous prime is 445500661. The next prime is 445500673. The reversal of 445500664 is 466005544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445500661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87172 + ... + 92140.

It is an arithmetic number, because the mean of its divisors is an integer number (29857275).

Almost surely, 2^445500664 is an apocalyptic number.

It is an amenable number.

445500664 is an abundant number, since it is smaller than the sum of its proper divisors (509932136).

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

445500664 is a wasteful number, since it uses less digits than its factorization.

445500664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6583 (or 6579 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 445500664 is about 21106.8866486746. The cubic root of 445500664 is about 763.7468848933.

The spelling of 445500664 in words is "four hundred forty-five million, five hundred thousand, six hundred sixty-four".