561876322592 has 54 divisors (see below), whose sum is σ = 1197948910347. Its totient is φ = 259302091776.

The previous prime is 561876322577. The next prime is 561876322639. The reversal of 561876322592 is 295223678165.

It is a happy number.

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 5 ways, for example, as 188706835216 + 373169487376 = 434404^2 + 610876^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=530036.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 55118648 + ... + 55128840.

Almost surely, 2^561876322592 is an apocalyptic number.

561876322592 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 561876322592

561876322592 is an abundant number, since it is smaller than the sum of its proper divisors (636072587755).

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

561876322592 is an frugal number, since it uses more digits than its factorization.

561876322592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20422 (or 10208 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 56.

The spelling of 561876322592 in words is "five hundred sixty-one billion, eight hundred seventy-six million, three hundred twenty-two thousand, five hundred ninety-two".