44406628688 has 20 divisors (see below), whose sum is σ = 86242221588. Its totient is φ = 22150571520.

The previous prime is 44406628663. The next prime is 44406628751. The reversal of 44406628688 is 88682660444.

It can be written as a sum of positive squares in 2 ways, for example, as 3208995904 + 41197632784 = 56648^2 + 202972^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3289481 + ... + 3302952.

Almost surely, 2^44406628688 is an apocalyptic number.

It is an amenable number.

44406628688 is a deficient number, since it is larger than the sum of its proper divisors (41835592900).

44406628688 is a wasteful number, since it uses less digits than its factorization.

44406628688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6592862 (or 6592856 counting only the distinct ones).

The product of its (nonzero) digits is 14155776, while the sum is 56.

The spelling of 44406628688 in words is "forty-four billion, four hundred six million, six hundred twenty-eight thousand, six hundred eighty-eight".