8888884444440 has 768 divisors, whose sum is σ = 39836239672320. Its totient is φ = 1658878341120.

The previous prime is 8888884444423. The next prime is 8888884444463. The reversal of 8888884444440 is 444444888888.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 12999987 + ... + 13666653.

It is an arithmetic number, because the mean of its divisors is an integer number (51870103740).

Almost surely, 2^{8888884444440} 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 8888884444440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19918119836160).

8888884444440 is an abundant number, since it is smaller than the sum of its proper divisors (30947355227880).

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

8888884444440 is a wasteful number, since it uses less digits than its factorization.

8888884444440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666752 (or 666745 counting only the distinct ones).

The product of its (nonzero) digits is 1073741824, while the sum is 72.

The spelling of 8888884444440 in words is "eight trillion, eight hundred eighty-eight billion, eight hundred eighty-four million, four hundred forty-four thousand, four hundred forty".