8631148444 has 12 divisors (see below), whose sum is σ = 15274224000. Its totient is φ = 4267084448.

The previous prime is 8631148391. The next prime is 8631148447. The reversal of 8631148444 is 4448411368.

It is a happy number.

8631148444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×8631148444² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8631148444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8631148447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12122044 + ... + 12122755.

It is an arithmetic number, because the mean of its divisors is an integer number (1272852000).

Almost surely, 2^8631148444 is an apocalyptic number.

It is an amenable number.

8631148444 is a deficient number, since it is larger than the sum of its proper divisors (6643075556).

8631148444 is a wasteful number, since it uses less digits than its factorization.

8631148444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24244892 (or 24244890 counting only the distinct ones).

The product of its digits is 294912, while the sum is 43.

The square root of 8631148444 is about 92903.9743175716. The cubic root of 8631148444 is about 2051.2701582505.

The spelling of 8631148444 in words is "eight billion, six hundred thirty-one million, one hundred forty-eight thousand, four hundred forty-four".