2044662202644 has 48 divisors (see below), whose sum is σ = 4900910692608. Its totient is φ = 662986228608.

The previous prime is 2044662202643. The next prime is 2044662202663. The reversal of 2044662202644 is 4462022664402.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2044662202596 and 2044662202605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044662202643) 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, 1495797 + ... + 2515299.

It is an arithmetic number, because the mean of its divisors is an integer number (102102306096).

Almost surely, 2^{2044662202644} is an apocalyptic number.

It is an amenable number.

2044662202644 is an abundant number, since it is smaller than the sum of its proper divisors (2856248489964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2044662202644 is a wasteful number, since it uses less digits than its factorization.

2044662202644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024064 (or 1024062 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 42.

The spelling of 2044662202644 in words is "two trillion, forty-four billion, six hundred sixty-two million, two hundred two thousand, six hundred forty-four".