1040530444 has 12 divisors (see below), whose sum is σ = 1821437800. Its totient is φ = 520119648.

The previous prime is 1040530433. The next prime is 1040530453. The reversal of 1040530444 is 4440350401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19434 + ... + 49585.

Almost surely, 2^1040530444 is an apocalyptic number.

It is an amenable number.

1040530444 is a deficient number, since it is larger than the sum of its proper divisors (780907356).

1040530444 is a wasteful number, since it uses less digits than its factorization.

1040530444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72792 (or 72790 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 1040530444 is about 32257.2541298853. The cubic root of 1040530444 is about 1013.3316259301.

Adding to 1040530444 its reverse (4440350401), we get a palindrome (5480880845).

The spelling of 1040530444 in words is "one billion, forty million, five hundred thirty thousand, four hundred forty-four".