44013405 has 32 divisors (see below), whose sum is σ = 74505600. Its totient is φ = 22125312.

The previous prime is 44013383. The next prime is 44013407. The reversal of 44013405 is 50431044.

It is not a de Polignac number, because 44013405 - 2⁶ = 44013341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44013407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110667 + ... + 111063.

It is an arithmetic number, because the mean of its divisors is an integer number (2328300).

Almost surely, 2^44013405 is an apocalyptic number.

It is an amenable number.

44013405 is a deficient number, since it is larger than the sum of its proper divisors (30492195).

44013405 is a wasteful number, since it uses less digits than its factorization.

44013405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 44013405 is about 6634.2599436561. The cubic root of 44013405 is about 353.0706816495.

Adding to 44013405 its reverse (50431044), we get a palindrome (94444449).

The spelling of 44013405 in words is "forty-four million, thirteen thousand, four hundred five".