1044140406 has 16 divisors (see below), whose sum is σ = 2104725504. Its totient is φ = 345306024.

The previous prime is 1044140369. The next prime is 1044140423. The reversal of 1044140406 is 6040414401.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 684370 + ... + 685893.

It is an arithmetic number, because the mean of its divisors is an integer number (131545344).

Almost surely, 2^1044140406 is an apocalyptic number.

1044140406 is an abundant number, since it is smaller than the sum of its proper divisors (1060585098).

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

1044140406 is a wasteful number, since it uses less digits than its factorization.

1044140406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370395.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1044140406 is about 32313.1614980645. The cubic root of 1044140406 is about 1014.5021399453.

Adding to 1044140406 its reverse (6040414401), we get a palindrome (7084554807).

The spelling of 1044140406 in words is "one billion, forty-four million, one hundred forty thousand, four hundred six".