8544318091440 has 320 divisors, whose sum is σ = 27681100296192. Its totient is φ = 2177718681600.

The previous prime is 8544318091433. The next prime is 8544318091451. The reversal of 8544318091440 is 441908134458.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 354332824 + ... + 354356936.

Almost surely, 2^{8544318091440} is an apocalyptic number.

8544318091440 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8544318091440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13840550148096).

8544318091440 is an abundant number, since it is smaller than the sum of its proper divisors (19136782204752).

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

8544318091440 is a wasteful number, since it uses less digits than its factorization.

8544318091440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24748 (or 24742 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 51.

The spelling of 8544318091440 in words is "eight trillion, five hundred forty-four billion, three hundred eighteen million, ninety-one thousand, four hundred forty".