533544386560 has 120 divisors (see below), whose sum is σ = 1282188700296. Its totient is φ = 213130936320.

The previous prime is 533544386503. The next prime is 533544386611. The reversal of 533544386560 is 65683445335.

It can be written as a sum of positive squares in 4 ways, for example, as 4584914944 + 528959471616 = 67712^2 + 727296^2 .

It is a super-2 number, since 2×533544386560² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 533544386498 and 533544386507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67252354 + ... + 67260286.

Almost surely, 2^533544386560 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 533544386560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (641094350148).

533544386560 is an abundant number, since it is smaller than the sum of its proper divisors (748644313736).

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

533544386560 is an frugal number, since it uses more digits than its factorization.

533544386560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8787 (or 8761 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 52.

The spelling of 533544386560 in words is "five hundred thirty-three billion, five hundred forty-four million, three hundred eighty-six thousand, five hundred sixty".