1044303140 has 12 divisors (see below), whose sum is σ = 2193036636. Its totient is φ = 417721248.

The previous prime is 1044303119. The next prime is 1044303151. The reversal of 1044303140 is 413034401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 834400996 + 209902144 = 28886^2 + 14488^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 52215157 = 1044303140 / (1 + 0 + 4 + 4 + 3 + 0 + 3 + 1 + 4 + 0).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 26107559 + ... + 26107598.

It is an arithmetic number, because the mean of its divisors is an integer number (182753053).

Almost surely, 2^1044303140 is an apocalyptic number.

1044303140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1044303140 is an abundant number, since it is smaller than the sum of its proper divisors (1148733496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1044303140 is a wasteful number, since it uses less digits than its factorization.

1044303140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52215166 (or 52215164 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1044303140 is about 32315.6794760686. The cubic root of 1044303140 is about 1014.5548421216.

Adding to 1044303140 its reverse (413034401), we get a palindrome (1457337541).

The spelling of 1044303140 in words is "one billion, forty-four million, three hundred three thousand, one hundred forty".