44444448888888 has 128 divisors (see below), whose sum is σ = 113977704960000. Its totient is φ = 14435426718720.

The previous prime is 44444448888887. The next prime is 44444448888899. The reversal of 44444448888888 is 88888884444444.

It is a Cunningham number, because it is equal to 6666667²-1.

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 44444448888888.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44444448888887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1253315478 + ... + 1253350938.

It is an arithmetic number, because the mean of its divisors is an integer number (890450820000).

Almost surely, 2^{44444448888888} 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 44444448888888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56988852480000).

44444448888888 is an abundant number, since it is smaller than the sum of its proper divisors (69533256071112).

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

44444448888888 is a wasteful number, since it uses less digits than its factorization.

44444448888888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40405 (or 40401 counting only the distinct ones).

The product of its digits is 34359738368, while the sum is 84.

Subtracting 44444448888888 from its reverse (88888884444444), we obtain a square (44444435555556 = 6666666²).

The spelling of 44444448888888 in words is "forty-four trillion, four hundred forty-four billion, four hundred forty-eight million, eight hundred eighty-eight thousand, eight hundred eighty-eight".