549223234560 has 2816 divisors, whose sum is σ = 2707149312000. Its totient is φ = 105345515520.

The previous prime is 549223234543. The next prime is 549223234561. The reversal of 549223234560 is 65432322945.

549223234560 is a `hidden beast` number, since 5 + 4 + 9 + 22 + 32 + 34 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (2816).

It is a super-2 number, since 2×549223234560² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549223234561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 42247941114 + ... + 42247941126.

Almost surely, 2^549223234560 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 549223234560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1353574656000).

549223234560 is an abundant number, since it is smaller than the sum of its proper divisors (2157926077440).

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

549223234560 is an equidigital number, since it uses as much as digits as its factorization.

549223234560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The spelling of 549223234560 in words is "five hundred forty-nine billion, two hundred twenty-three million, two hundred thirty-four thousand, five hundred sixty".