1056644490434 has 32 divisors (see below), whose sum is σ = 1716671880000. Its totient is φ = 484887259584.

The previous prime is 1056644490431. The next prime is 1056644490439. The reversal of 1056644490434 is 4340944466501.

It is a super-2 number, since 2×1056644490434² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1056644490431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45732617 + ... + 45755715.

It is an arithmetic number, because the mean of its divisors is an integer number (53645996250).

Almost surely, 2^{1056644490434} is an apocalyptic number.

1056644490434 is a deficient number, since it is larger than the sum of its proper divisors (660027389566).

1056644490434 is a wasteful number, since it uses less digits than its factorization.

1056644490434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33122.

The product of its (nonzero) digits is 4976640, while the sum is 50.

The spelling of 1056644490434 in words is "one trillion, fifty-six billion, six hundred forty-four million, four hundred ninety thousand, four hundred thirty-four".