44400000405 has 32 divisors (see below), whose sum is σ = 71489433600. Its totient is φ = 23530386752.

The previous prime is 44400000349. The next prime is 44400000409. The reversal of 44400000405 is 50400000444.

It is a cyclic number.

It is not a de Polignac number, because 44400000405 - 2⁹ = 44399999893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44400000409) 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 31 ways as a sum of consecutive naturals, for example, 4180612 + ... + 4191218.

It is an arithmetic number, because the mean of its divisors is an integer number (2234044800).

Almost surely, 2^44400000405 is an apocalyptic number.

It is an amenable number.

44400000405 is a deficient number, since it is larger than the sum of its proper divisors (27089433195).

44400000405 is a wasteful number, since it uses less digits than its factorization.

44400000405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12353.

The product of its (nonzero) digits is 1280, while the sum is 21.

Adding to 44400000405 its reverse (50400000444), we get a palindrome (94800000849).

The spelling of 44400000405 in words is "forty-four billion, four hundred million, four hundred five", and thus it is an aban number.