2044666642 has 8 divisors (see below), whose sum is σ = 3067333632. Its totient is φ = 1022222100.

The previous prime is 2044666633. The next prime is 2044666643. The reversal of 2044666642 is 2466664402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2044666595 and 2044666604.

It is not an unprimeable number, because it can be changed into a prime (2044666643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30334 + ... + 70777.

It is an arithmetic number, because the mean of its divisors is an integer number (383416704).

Almost surely, 2^2044666642 is an apocalyptic number.

2044666642 is a deficient number, since it is larger than the sum of its proper divisors (1022666990).

2044666642 is a wasteful number, since it uses less digits than its factorization.

2044666642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111224.

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

The square root of 2044666642 is about 45217.9902472456. The cubic root of 2044666642 is about 1269.2314861877.

The spelling of 2044666642 in words is "two billion, forty-four million, six hundred sixty-six thousand, six hundred forty-two".