2044260040666 has 4 divisors (see below), whose sum is σ = 3066390061002. Its totient is φ = 1022130020332.

The previous prime is 2044260040651. The next prime is 2044260040703. The reversal of 2044260040666 is 6660400624402.

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., 1349962810641 + 694297230025 = 1161879^2 + 833245^2 .

It is a super-2 number, since 2×2044260040666² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511065010165 + ... + 511065010168.

Almost surely, 2^{2044260040666} is an apocalyptic number.

2044260040666 is a deficient number, since it is larger than the sum of its proper divisors (1022130020336).

2044260040666 is a wasteful number, since it uses less digits than its factorization.

2044260040666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022130020335.

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 2044260040666 in words is "two trillion, forty-four billion, two hundred sixty million, forty thousand, six hundred sixty-six".