44000289 has 24 divisors (see below), whose sum is σ = 65672360. Its totient is φ = 28366848.

The previous prime is 44000287. The next prime is 44000291. The reversal of 44000289 is 98200044.

It is an interprime number because it is at equal distance from previous prime (44000287) and next prime (44000291).

It can be written as a sum of positive squares in 4 ways, for example, as 39125025 + 4875264 = 6255^2 + 2208^2 .

It is not a de Polignac number, because 44000289 - 2¹ = 44000287 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44000287) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75969 + ... + 76545.

Almost surely, 2^44000289 is an apocalyptic number.

It is an amenable number.

44000289 is a deficient number, since it is larger than the sum of its proper divisors (21672071).

44000289 is a wasteful number, since it uses less digits than its factorization.

44000289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849 (or 846 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 44000289 is about 6633.2713648697. The cubic root of 44000289 is about 353.0356064632.

The spelling of 44000289 in words is "forty-four million, two hundred eighty-nine", and thus it is an aban number.