44678687644 has 24 divisors (see below), whose sum is σ = 83117739600. Its totient is φ = 20954044800.

The previous prime is 44678687639. The next prime is 44678687689.

44678687644 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2902609 + ... + 2917960.

It is an arithmetic number, because the mean of its divisors is an integer number (3463239150).

Almost surely, 2^44678687644 is an apocalyptic number.

It is an amenable number.

44678687644 is a deficient number, since it is larger than the sum of its proper divisors (38439051956).

44678687644 is a wasteful number, since it uses less digits than its factorization.

44678687644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5820693 (or 5820691 counting only the distinct ones).

The product of its digits is 173408256, while the sum is 64.

The spelling of 44678687644 in words is "forty-four billion, six hundred seventy-eight million, six hundred eighty-seven thousand, six hundred forty-four".