2105560456 has 32 divisors (see below), whose sum is σ = 4002336000. Its totient is φ = 1038301056.

The previous prime is 2105560447. The next prime is 2105560493. The reversal of 2105560456 is 6540655012.

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 7 ways as a sum of consecutive naturals, for example, 984220 + ... + 986356.

It is an arithmetic number, because the mean of its divisors is an integer number (125073000).

Almost surely, 2^2105560456 is an apocalyptic number.

It is an amenable number.

2105560456 is a deficient number, since it is larger than the sum of its proper divisors (1896775544).

2105560456 is a wasteful number, since it uses less digits than its factorization.

2105560456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3781 (or 3777 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 2105560456 is about 45886.3863907369. The cubic root of 2105560456 is about 1281.7084234953.

The spelling of 2105560456 in words is "two billion, one hundred five million, five hundred sixty thousand, four hundred fifty-six".