549747425280 has 384 divisors, whose sum is σ = 1869921275040. Its totient is φ = 137438953472.

The previous prime is 549747425257. The next prime is 549747425281. The reversal of 549747425280 is 82524747945.

It is a tau number, because it is divible by the number of its divisors (384).

It is a nialpdrome in base 2 and base 8.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 549747425280.

It is a Saint-Exupery number, since it is equal to the product of the sides of a Pythagorean triangle: 16448 × 16320 × 2048.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549747425281) by changing a digit.

In principle, a polygon with 549747425280 sides can be constructed with ruler and compass.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2139094912 + ... + 2139095168.

Almost surely, 2^549747425280 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 549747425280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (934960637520).

549747425280 is an abundant number, since it is smaller than the sum of its proper divisors (1320173849760).

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

549747425280 is an frugal number, since it uses more digits than its factorization.

549747425280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 22579200, while the sum is 57.

The spelling of 549747425280 in words is "five hundred forty-nine billion, seven hundred forty-seven million, four hundred twenty-five thousand, two hundred eighty".