2044451768 has 8 divisors (see below), whose sum is σ = 3833347080. Its totient is φ = 1022225880.

The previous prime is 2044451753. The next prime is 2044451777. The reversal of 2044451768 is 8671544402.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127778228 + ... + 127778243.

It is an arithmetic number, because the mean of its divisors is an integer number (479168385).

Almost surely, 2^2044451768 is an apocalyptic number.

It is an amenable number.

2044451768 is a deficient number, since it is larger than the sum of its proper divisors (1788895312).

2044451768 is a wasteful number, since it uses less digits than its factorization.

2044451768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255556477 (or 255556473 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 41.

The square root of 2044451768 is about 45215.6142057144. The cubic root of 2044451768 is about 1269.1870234548.

The spelling of 2044451768 in words is "two billion, forty-four million, four hundred fifty-one thousand, seven hundred sixty-eight".