844140627 has 48 divisors (see below), whose sum is σ = 1425610368. Its totient is φ = 475626240.

The previous prime is 844140617. The next prime is 844140629. The reversal of 844140627 is 726041448.

It is not a de Polignac number, because 844140627 - 2¹⁰ = 844139603 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 844140591 and 844140600.

It is not an unprimeable number, because it can be changed into a prime (844140629) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 136668 + ... + 142710.

It is an arithmetic number, because the mean of its divisors is an integer number (29700216).

Almost surely, 2^844140627 is an apocalyptic number.

844140627 is a deficient number, since it is larger than the sum of its proper divisors (581469741).

844140627 is a wasteful number, since it uses less digits than its factorization.

844140627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6160 (or 6157 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 844140627 is about 29054.0982823422. The cubic root of 844140627 is about 945.0865898652.

The spelling of 844140627 in words is "eight hundred forty-four million, one hundred forty thousand, six hundred twenty-seven".