1013404044 has 12 divisors (see below), whose sum is σ = 2364609464. Its totient is φ = 337801344.

The previous prime is 1013404027. The next prime is 1013404057. The reversal of 1013404044 is 4404043101.

1013404044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1013404044.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42225157 + ... + 42225180.

Almost surely, 2^1013404044 is an apocalyptic number.

It is an amenable number.

1013404044 is an abundant number, since it is smaller than the sum of its proper divisors (1351205420).

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

1013404044 is a wasteful number, since it uses less digits than its factorization.

1013404044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84450344 (or 84450342 counting only the distinct ones).

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

The square root of 1013404044 is about 31834.0076647600. The cubic root of 1013404044 is about 1004.4481988556.

Adding to 1013404044 its reverse (4404043101), we get a palindrome (5417447145).

The spelling of 1013404044 in words is "one billion, thirteen million, four hundred four thousand, forty-four".