1044144405 has 16 divisors (see below), whose sum is σ = 1856256960. Its totient is φ = 556876944.

The previous prime is 1044144401. The next prime is 1044144419. The reversal of 1044144405 is 5044414401.

1044144405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1044144405 - 2² = 1044144401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044144401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3867067 + ... + 3867336.

It is an arithmetic number, because the mean of its divisors is an integer number (116016060).

Almost surely, 2^1044144405 is an apocalyptic number.

1044144405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1044144405 is a deficient number, since it is larger than the sum of its proper divisors (812112555).

1044144405 is an equidigital number, since it uses as much as digits as its factorization.

1044144405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7734417 (or 7734411 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 1044144405 is about 32313.2233768159. The cubic root of 1044144405 is about 1014.5034351061.

Adding to 1044144405 its reverse (5044414401), we get a palindrome (6088558806).

The spelling of 1044144405 in words is "one billion, forty-four million, one hundred forty-four thousand, four hundred five".