1005011044 has 12 divisors (see below), whose sum is σ = 1761864300. Its totient is φ = 501621248.

The previous prime is 1005011027. The next prime is 1005011047. The reversal of 1005011044 is 4401105001.

1005011044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 542330944 + 462680100 = 23288^2 + 21510^2 .

It is not an unprimeable number, because it can be changed into a prime (1005011047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218509 + ... + 223060.

It is an arithmetic number, because the mean of its divisors is an integer number (146822025).

Almost surely, 2^1005011044 is an apocalyptic number.

It is an amenable number.

1005011044 is a deficient number, since it is larger than the sum of its proper divisors (756853256).

1005011044 is a wasteful number, since it uses less digits than its factorization.

1005011044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442142 (or 442140 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1005011044 is about 31701.9091538664. The cubic root of 1005011044 is about 1001.6675656790.

Adding to 1005011044 its reverse (4401105001), we get a palindrome (5406116045).

The spelling of 1005011044 in words is "one billion, five million, eleven thousand, forty-four".