1044440103 has 8 divisors (see below), whose sum is σ = 1591527808. Its totient is φ = 596822904.

The previous prime is 1044440099. The next prime is 1044440123. The reversal of 1044440103 is 3010444401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1044440103 - 2² = 1044440099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 49735243 = 1044440103 / (1 + 0 + 4 + 4 + 4 + 4 + 0 + 1 + 0 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1044440103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044440123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24867601 + ... + 24867642.

It is an arithmetic number, because the mean of its divisors is an integer number (198940976).

Almost surely, 2^1044440103 is an apocalyptic number.

1044440103 is a deficient number, since it is larger than the sum of its proper divisors (547087705).

1044440103 is an equidigital number, since it uses as much as digits as its factorization.

1044440103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49735253.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1044440103 is about 32317.7985481685. The cubic root of 1044440103 is about 1014.5991939945.

Adding to 1044440103 its reverse (3010444401), we get a palindrome (4054884504).

The spelling of 1044440103 in words is "one billion, forty-four million, four hundred forty thousand, one hundred three".