561204774424 has 16 divisors (see below), whose sum is σ = 1202581659600. Its totient is φ = 240516331872.

The previous prime is 561204774373. The next prime is 561204774457. The reversal of 561204774424 is 424477402165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5010756859 + ... + 5010756970.

It is an arithmetic number, because the mean of its divisors is an integer number (75161353725).

Almost surely, 2^561204774424 is an apocalyptic number.

It is an amenable number.

561204774424 is an abundant number, since it is smaller than the sum of its proper divisors (641376885176).

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

561204774424 is a wasteful number, since it uses less digits than its factorization.

561204774424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10021513842 (or 10021513838 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 46.

The spelling of 561204774424 in words is "five hundred sixty-one billion, two hundred four million, seven hundred seventy-four thousand, four hundred twenty-four".