561482313426 has 256 divisors, whose sum is σ = 1360255680000. Its totient is φ = 171041587200.

The previous prime is 561482313313. The next prime is 561482313463. The reversal of 561482313426 is 624313284165.

561482313426 is a `hidden beast` number, since 5 + 614 + 8 + 2 + 3 + 1 + 3 + 4 + 26 = 666.

561482313426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1340053045 + ... + 1340053463.

It is an arithmetic number, because the mean of its divisors is an integer number (5313498750).

Almost surely, 2^561482313426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 561482313426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (680127840000).

561482313426 is an abundant number, since it is smaller than the sum of its proper divisors (798773366574).

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

561482313426 is a wasteful number, since it uses less digits than its factorization.

561482313426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794 (or 788 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The spelling of 561482313426 in words is "five hundred sixty-one billion, four hundred eighty-two million, three hundred thirteen thousand, four hundred twenty-six".