44431809328 has 40 divisors (see below), whose sum is σ = 86559459840. Its totient is φ = 22094130240.

The previous prime is 44431809319. The next prime is 44431809329. The reversal of 44431809328 is 82390813444.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (44431809329) 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 in 7 ways as a sum of consecutive naturals, for example, 3094101 + ... + 3108427.

It is an arithmetic number, because the mean of its divisors is an integer number (2163986496).

Almost surely, 2^44431809328 is an apocalyptic number.

It is an amenable number.

44431809328 is a deficient number, since it is larger than the sum of its proper divisors (42127650512).

44431809328 is a wasteful number, since it uses less digits than its factorization.

44431809328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15385 (or 15379 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 46.

The spelling of 44431809328 in words is "forty-four billion, four hundred thirty-one million, eight hundred nine thousand, three hundred twenty-eight".