561796315420 has 24 divisors (see below), whose sum is σ = 1181816952624. Its totient is φ = 224329061376.

The previous prime is 561796315361. The next prime is 561796315447. The reversal of 561796315420 is 24513697165.

561796315420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 24329722 + ... + 24352801.

It is an arithmetic number, because the mean of its divisors is an integer number (49242373026).

Almost surely, 2^561796315420 is an apocalyptic number.

It is an amenable number.

561796315420 is an abundant number, since it is smaller than the sum of its proper divisors (620020637204).

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

561796315420 is a wasteful number, since it uses less digits than its factorization.

561796315420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48683109 (or 48683107 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 561796315420 in words is "five hundred sixty-one billion, seven hundred ninety-six million, three hundred fifteen thousand, four hundred twenty".