8549400555744 has 96 divisors (see below), whose sum is σ = 22886472460320. Its totient is φ = 2793479749632.

The previous prime is 8549400555739. The next prime is 8549400555763. The reversal of 8549400555744 is 4475550049458.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4815672 + ... + 6347400.

It is an arithmetic number, because the mean of its divisors is an integer number (238400754795).

Almost surely, 2^{8549400555744} 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 8549400555744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11443236230160).

8549400555744 is an abundant number, since it is smaller than the sum of its proper divisors (14337071904576).

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

8549400555744 is a wasteful number, since it uses less digits than its factorization.

8549400555744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532892 (or 1532884 counting only the distinct ones).

The product of its (nonzero) digits is 80640000, while the sum is 60.

The spelling of 8549400555744 in words is "eight trillion, five hundred forty-nine billion, four hundred million, five hundred fifty-five thousand, seven hundred forty-four".