544917305680 has 80 divisors (see below), whose sum is σ = 1429767417600. Its totient is φ = 191318919680.

The previous prime is 544917305677. The next prime is 544917305689. The reversal of 544917305680 is 86503719445.

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544917305689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10650760 + ... + 10701799.

It is an arithmetic number, because the mean of its divisors is an integer number (17872092720).

Almost surely, 2^544917305680 is an apocalyptic number.

It is an amenable number.

544917305680 is an abundant number, since it is smaller than the sum of its proper divisors (884850111920).

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

544917305680 is a wasteful number, since it uses less digits than its factorization.

544917305680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21352612 (or 21352606 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 544917305680 in words is "five hundred forty-four billion, nine hundred seventeen million, three hundred five thousand, six hundred eighty".