44158685144 has 48 divisors (see below), whose sum is σ = 97215736680. Its totient is φ = 18748262400.

The previous prime is 44158685143. The next prime is 44158685161.

It is a happy number.

44158685144 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 44158685092 and 44158685101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44158685143) 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 11 ways as a sum of consecutive naturals, for example, 484457 + ... + 568344.

Almost surely, 2^44158685144 is an apocalyptic number.

It is an amenable number.

44158685144 is an abundant number, since it is smaller than the sum of its proper divisors (53057051536).

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

44158685144 is a wasteful number, since it uses less digits than its factorization.

44158685144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052928 (or 1052917 counting only the distinct ones).

The product of its digits is 2457600, while the sum is 50.

The spelling of 44158685144 in words is "forty-four billion, one hundred fifty-eight million, six hundred eighty-five thousand, one hundred forty-four".