445944480 has 48 divisors (see below), whose sum is σ = 1404726624. Its totient is φ = 118918400.

The previous prime is 445944467. The next prime is 445944503. The reversal of 445944480 is 84449544.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464046 + ... + 465005.

It is an arithmetic number, because the mean of its divisors is an integer number (29265138).

Almost surely, 2^445944480 is an apocalyptic number.

445944480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

445944480 is an abundant number, since it is smaller than the sum of its proper divisors (958782144).

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

445944480 is a wasteful number, since it uses less digits than its factorization.

445944480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929069 (or 929061 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 42.

The square root of 445944480 is about 21117.3975669352. The cubic root of 445944480 is about 764.0004203099. Note that the first 3 decimals are identical.

The spelling of 445944480 in words is "four hundred forty-five million, nine hundred forty-four thousand, four hundred eighty".