8939449760544 has 48 divisors (see below), whose sum is σ = 26073395137440. Its totient is φ = 2979816586560.

The previous prime is 8939449760531. The next prime is 8939449760567. The reversal of 8939449760544 is 4450679449398.

It is a happy number.

8939449760544 is a `hidden beast` number, since 8 + 9 + 3 + 9 + 4 + 4 + 9 + 7 + 605 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5173291822 + ... + 5173293549.

It is an arithmetic number, because the mean of its divisors is an integer number (543195732030).

Almost surely, 2^{8939449760544} is an apocalyptic number.

It is an amenable number.

8939449760544 is an abundant number, since it is smaller than the sum of its proper divisors (17133945376896).

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

8939449760544 is a wasteful number, since it uses less digits than its factorization.

8939449760544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10346585390 (or 10346585376 counting only the distinct ones).

The product of its (nonzero) digits is 940584960, while the sum is 72.

The spelling of 8939449760544 in words is "eight trillion, nine hundred thirty-nine billion, four hundred forty-nine million, seven hundred sixty thousand, five hundred forty-four".