1056442445564 has 24 divisors (see below), whose sum is σ = 2024513301888. Its totient is φ = 478375246640.

The previous prime is 1056442445533. The next prime is 1056442445567. The reversal of 1056442445564 is 4655442446501.

It is a super-2 number, since 2×1056442445564² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056442445567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45634922 + ... + 45658065.

It is an arithmetic number, because the mean of its divisors is an integer number (84354720912).

Almost surely, 2^{1056442445564} is an apocalyptic number.

It is an amenable number.

1056442445564 is a deficient number, since it is larger than the sum of its proper divisors (968070856324).

1056442445564 is a wasteful number, since it uses less digits than its factorization.

1056442445564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91293265 (or 91293263 counting only the distinct ones).

The product of its (nonzero) digits is 9216000, while the sum is 50.

The spelling of 1056442445564 in words is "one trillion, fifty-six billion, four hundred forty-two million, four hundred forty-five thousand, five hundred sixty-four".