44343313664 has 72 divisors (see below), whose sum is σ = 95488730400. Its totient is φ = 20430379008.

The previous prime is 44343313661. The next prime is 44343313681. The reversal of 44343313664 is 46631334344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44343313661) 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 7 ways as a sum of consecutive naturals, for example, 1942187 + ... + 1964885.

Almost surely, 2^44343313664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44343313664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47744365200).

44343313664 is an abundant number, since it is smaller than the sum of its proper divisors (51145416736).

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

44343313664 is a wasteful number, since it uses less digits than its factorization.

44343313664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23315 (or 23301 counting only the distinct ones).

The product of its digits is 746496, while the sum is 41.

The spelling of 44343313664 in words is "forty-four billion, three hundred forty-three million, three hundred thirteen thousand, six hundred sixty-four".