44100009 has 6 divisors (see below), whose sum is σ = 63700026. Its totient is φ = 29400000.

The previous prime is 44099999. The next prime is 44100013. The reversal of 44100009 is 90000144.

It can be written as a sum of positive squares in only one way, i.e., 31674384 + 12425625 = 5628^2 + 3525^2 .

It is not a de Polignac number, because 44100009 - 2⁸ = 44099753 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 44099964 and 44100000.

It is not an unprimeable number, because it can be changed into a prime (44100019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2449992 + ... + 2450009.

It is an arithmetic number, because the mean of its divisors is an integer number (10616671).

Almost surely, 2^44100009 is an apocalyptic number.

It is an amenable number.

44100009 is a deficient number, since it is larger than the sum of its proper divisors (19600017).

44100009 is a wasteful number, since it uses less digits than its factorization.

44100009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4900007 (or 4900004 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 44100009 is about 6640.7837639845. The cubic root of 44100009 is about 353.3021058395.

It can be divided in two parts, 4410000 and 9, that multiplied together give a square (39690000 = 6300²).

The spelling of 44100009 in words is "forty-four million, one hundred thousand, nine".