544738840865712 has 180 divisors, whose sum is σ = 1634574183395160. Its totient is φ = 173681290373184.

The previous prime is 544738840865671. The next prime is 544738840865887. The reversal of 544738840865712 is 217568048837445.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

544738840865712 is a `hidden beast` number, since 5 + 4 + 4 + 7 + 3 + 8 + 8 + 40 + 8 + 6 + 571 + 2 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11157398133 + ... + 11157446955.

Almost surely, 2^{544738840865712} 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 544738840865712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (817287091697580).

544738840865712 is an abundant number, since it is smaller than the sum of its proper divisors (1089835342529448).

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

544738840865712 is an frugal number, since it uses more digits than its factorization.

544738840865712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97709 (or 48851 counting only the distinct ones).

The product of its (nonzero) digits is 1445068800, while the sum is 72.

The spelling of 544738840865712 in words is "five hundred forty-four trillion, seven hundred thirty-eight billion, eight hundred forty million, eight hundred sixty-five thousand, seven hundred twelve".