2044942857388 has 6 divisors (see below), whose sum is σ = 3578650000436. Its totient is φ = 1022471428692.

The previous prime is 2044942857281. The next prime is 2044942857403. The reversal of 2044942857388 is 8837582494402.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 255617857170 + ... + 255617857177.

Almost surely, 2^{2044942857388} is an apocalyptic number.

It is an amenable number.

2044942857388 is a deficient number, since it is larger than the sum of its proper divisors (1533707143048).

2044942857388 is a wasteful number, since it uses less digits than its factorization.

2044942857388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511235714351 (or 511235714349 counting only the distinct ones).

The product of its (nonzero) digits is 123863040, while the sum is 64.

The spelling of 2044942857388 in words is "two trillion, forty-four billion, nine hundred forty-two million, eight hundred fifty-seven thousand, three hundred eighty-eight".