445599844 has 12 divisors (see below), whose sum is σ = 779998464. Its totient is φ = 222743144.

The previous prime is 445599839. The next prime is 445599851. The reversal of 445599844 is 448995544.

It is a junction number, because it is equal to n+sod(n) for n = 445599791 and 445599800.

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, 6969 + ... + 30655.

It is an arithmetic number, because the mean of its divisors is an integer number (64999872).

Almost surely, 2^445599844 is an apocalyptic number.

It is an amenable number.

445599844 is a deficient number, since it is larger than the sum of its proper divisors (334398620).

445599844 is a wasteful number, since it uses less digits than its factorization.

445599844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28394 (or 28392 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 52.

The square root of 445599844 is about 21109.2359880693. The cubic root of 445599844 is about 763.8035573083.

The spelling of 445599844 in words is "four hundred forty-five million, five hundred ninety-nine thousand, eight hundred forty-four".