44685258644 has 24 divisors (see below), whose sum is σ = 84312876648. Its totient is φ = 20599879680.

The previous prime is 44685258643. The next prime is 44685258679.

44685258644 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 6518947600 + 38166311044 = 80740^2 + 195362^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 44685258644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44685258643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456797 + ... + 545924.

It is an arithmetic number, because the mean of its divisors is an integer number (3513036527).

Almost surely, 2^44685258644 is an apocalyptic number.

It is an amenable number.

44685258644 is a deficient number, since it is larger than the sum of its proper divisors (39627618004).

44685258644 is a wasteful number, since it uses less digits than its factorization.

44685258644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003595 (or 1003593 counting only the distinct ones).

The product of its digits is 29491200, while the sum is 56.

The spelling of 44685258644 in words is "forty-four billion, six hundred eighty-five million, two hundred fifty-eight thousand, six hundred forty-four".