1044044405 has 16 divisors (see below), whose sum is σ = 1309996800. Its totient is φ = 797288448.

The previous prime is 1044044389. The next prime is 1044044411. The reversal of 1044044405 is 5044404401.

It is a cyclic number.

It is not a de Polignac number, because 1044044405 - 2⁴ = 1044044389 is a prime.

It is a super-2 number, since 2×1044044405² = 2180057439223608050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 48821 + ... + 66869.

It is an arithmetic number, because the mean of its divisors is an integer number (81874800).

Almost surely, 2^1044044405 is an apocalyptic number.

It is an amenable number.

1044044405 is a deficient number, since it is larger than the sum of its proper divisors (265952395).

1044044405 is a wasteful number, since it uses less digits than its factorization.

1044044405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18580.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 1044044405 is about 32311.6759856248. The cubic root of 1044044405 is about 1014.4710469990.

Adding to 1044044405 its reverse (5044404401), we get a palindrome (6088448806).

It can be divided in two parts, 10440 and 44405, that added together give a palindrome (54845).

The spelling of 1044044405 in words is "one billion, forty-four million, forty-four thousand, four hundred five".