44621455368 has 128 divisors (see below), whose sum is σ = 130172313600. Its totient is φ = 12483480576.

The previous prime is 44621455343. The next prime is 44621455379. The reversal of 44621455368 is 86355412644.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1561513 + ... + 1589831.

It is an arithmetic number, because the mean of its divisors is an integer number (1016971200).

Almost surely, 2^44621455368 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 44621455368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65086156800).

44621455368 is an abundant number, since it is smaller than the sum of its proper divisors (85550858232).

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

44621455368 is a wasteful number, since it uses less digits than its factorization.

44621455368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28531 (or 28527 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 48.

The spelling of 44621455368 in words is "forty-four billion, six hundred twenty-one million, four hundred fifty-five thousand, three hundred sixty-eight".