44040105 has 48 divisors (see below), whose sum is σ = 80493504. Its totient is φ = 23094720.

The previous prime is 44040103. The next prime is 44040107. The reversal of 44040105 is 50104044.

It is an interprime number because it is at equal distance from previous prime (44040103) and next prime (44040107).

It is not a de Polignac number, because 44040105 - 2¹ = 44040103 is a prime.

It is a super-2 number, since 2×44040105² = 3879061696822050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44040103) by changing a digit.

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 in 47 ways as a sum of consecutive naturals, for example, 81135 + ... + 81675.

It is an arithmetic number, because the mean of its divisors is an integer number (1676948).

Almost surely, 2^44040105 is an apocalyptic number.

44040105 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44040105 is a deficient number, since it is larger than the sum of its proper divisors (36453399).

44040105 is an equidigital number, since it uses as much as digits as its factorization.

44040105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628 (or 616 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 44040105 is about 6636.2719202878. The cubic root of 44040105 is about 353.1420620362.

Adding to 44040105 its reverse (50104044), we get a palindrome (94144149).

The spelling of 44040105 in words is "forty-four million, forty thousand, one hundred five".