561541598424 has 48 divisors (see below), whose sum is σ = 1520902518720. Its totient is φ = 187173063360.

The previous prime is 561541598417. The next prime is 561541598477. The reversal of 561541598424 is 424895145165.

It is a happy number.

561541598424 is a `hidden beast` number, since 5 + 6 + 1 + 5 + 4 + 1 + 598 + 42 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1837194 + ... + 2120934.

It is an arithmetic number, because the mean of its divisors is an integer number (31685469140).

Almost surely, 2^561541598424 is an apocalyptic number.

It is an amenable number.

561541598424 is an abundant number, since it is smaller than the sum of its proper divisors (959360920296).

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

561541598424 is a wasteful number, since it uses less digits than its factorization.

561541598424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311240 (or 311233 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 54.

The spelling of 561541598424 in words is "five hundred sixty-one billion, five hundred forty-one million, five hundred ninety-eight thousand, four hundred twenty-four".