44905005 has 12 divisors (see below), whose sum is σ = 77835420. Its totient is φ = 23949312.

The previous prime is 44904997. The next prime is 44905009. The reversal of 44905005 is 50050944.

44905005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7193124 + 37711881 = 2682^2 + 6141^2 .

It is not a de Polignac number, because 44905005 - 2³ = 44904997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44905005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44905009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 498900 + ... + 498989.

It is an arithmetic number, because the mean of its divisors is an integer number (6486285).

Almost surely, 2^44905005 is an apocalyptic number.

44905005 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44905005 is a deficient number, since it is larger than the sum of its proper divisors (32930415).

44905005 is a wasteful number, since it uses less digits than its factorization.

44905005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997900 (or 997897 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 44905005 is about 6701.1196825605. The cubic root of 44905005 is about 355.4388673982.

Adding to 44905005 its reverse (50050944), we get a palindrome (94955949).

The spelling of 44905005 in words is "forty-four million, nine hundred five thousand, five".