845382444 has 48 divisors (see below), whose sum is σ = 2054989440. Its totient is φ = 270252160.

The previous prime is 845382407. The next prime is 845382449. The reversal of 845382444 is 444283548.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 845382396 and 845382405.

It is not an unprimeable number, because it can be changed into a prime (845382449) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 14467 + ... + 43589.

It is an arithmetic number, because the mean of its divisors is an integer number (42812280).

Almost surely, 2^845382444 is an apocalyptic number.

It is an amenable number.

845382444 is an abundant number, since it is smaller than the sum of its proper divisors (1209606996).

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

845382444 is a wasteful number, since it uses less digits than its factorization.

845382444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29230 (or 29228 counting only the distinct ones).

The product of its digits is 491520, while the sum is 42.

The square root of 845382444 is about 29075.4612001254. The cubic root of 845382444 is about 945.5498023991.

The spelling of 845382444 in words is "eight hundred forty-five million, three hundred eighty-two thousand, four hundred forty-four".