549722259968 has 270 divisors, whose sum is σ = 1329043496319. Its totient is φ = 226485504000.

The previous prime is 549722259917. The next prime is 549722259973. The reversal of 549722259968 is 869952227945.

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.

It can be written as a sum of positive squares in only one way, i.e., 274861129984 + 274861129984 = 524272^2 + 524272^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=524272.

It is a super-2 number, since 2×549722259968² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 549722259898 and 549722259907.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3640544693 + ... + 3640544843.

Almost surely, 2^549722259968 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 549722259968

549722259968 is an abundant number, since it is smaller than the sum of its proper divisors (779321236351).

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

549722259968 is an frugal number, since it uses more digits than its factorization.

549722259968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396 (or 191 counting only the distinct ones).

The product of its digits is 195955200, while the sum is 68.

The spelling of 549722259968 in words is "five hundred forty-nine billion, seven hundred twenty-two million, two hundred fifty-nine thousand, nine hundred sixty-eight".