1044525440666 has 4 divisors (see below), whose sum is σ = 1566788161002. Its totient is φ = 522262720332.

The previous prime is 1044525440641. The next prime is 1044525440683. The reversal of 1044525440666 is 6660445254401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1044441076441 + 84364225 = 1021979^2 + 9185^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1044525440666.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261131360165 + ... + 261131360168.

Almost surely, 2^{1044525440666} is an apocalyptic number.

1044525440666 is a deficient number, since it is larger than the sum of its proper divisors (522262720336).

1044525440666 is an equidigital number, since it uses as much as digits as its factorization.

1044525440666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522262720335.

The product of its (nonzero) digits is 2764800, while the sum is 47.

The spelling of 1044525440666 in words is "one trillion, forty-four billion, five hundred twenty-five million, four hundred forty thousand, six hundred sixty-six".