1004440644026 has 16 divisors (see below), whose sum is σ = 1611958241760. Its totient is φ = 467987874480.

The previous prime is 1004440644017. The next prime is 1004440644079. The reversal of 1004440644026 is 6204460444001.

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, 216658736 + ... + 216663371.

It is an arithmetic number, because the mean of its divisors is an integer number (100747390110).

Almost surely, 2^{1004440644026} is an apocalyptic number.

1004440644026 is a deficient number, since it is larger than the sum of its proper divisors (607517597734).

1004440644026 is a wasteful number, since it uses less digits than its factorization.

1004440644026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433322189.

The product of its (nonzero) digits is 73728, while the sum is 35.

The spelling of 1004440644026 in words is "one trillion, four billion, four hundred forty million, six hundred forty-four thousand, twenty-six".