1044113040 has 60 divisors (see below), whose sum is σ = 3506482044. Its totient is φ = 278429952.

The previous prime is 1044113003. The next prime is 1044113041. The reversal of 1044113040 is 403114401.

It can be written as a sum of positive squares in 2 ways, for example, as 593994384 + 450118656 = 24372^2 + 21216^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1044113041) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 724359 + ... + 725798.

Almost surely, 2^1044113040 is an apocalyptic number.

1044113040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1044113040 is an abundant number, since it is smaller than the sum of its proper divisors (2462369004).

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

1044113040 is a wasteful number, since it uses less digits than its factorization.

1044113040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450176 (or 1450167 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1044113040 is about 32312.7380455448. The cubic root of 1044113040 is about 1014.4932767989.

Adding to 1044113040 its reverse (403114401), we get a palindrome (1447227441).

The spelling of 1044113040 in words is "one billion, forty-four million, one hundred thirteen thousand, forty".