44389946816 has 14 divisors (see below), whose sum is σ = 88086300840. Its totient is φ = 22194973376.

The previous prime is 44389946813. The next prime is 44389946833. The reversal of 44389946816 is 61864998344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44389946813) 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 as a sum of consecutive naturals, namely, 346796396 + ... + 346796523.

Almost surely, 2^44389946816 is an apocalyptic number.

It is an amenable number.

44389946816 is a deficient number, since it is larger than the sum of its proper divisors (43696354024).

44389946816 is an equidigital number, since it uses as much as digits as its factorization.

44389946816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693592931 (or 693592921 counting only the distinct ones).

The product of its digits is 35831808, while the sum is 62.

The spelling of 44389946816 in words is "forty-four billion, three hundred eighty-nine million, nine hundred forty-six thousand, eight hundred sixteen".