1044113240 has 16 divisors (see below), whose sum is σ = 2349254880. Its totient is φ = 417645280.

The previous prime is 1044113219. The next prime is 1044113243. The reversal of 1044113240 is 423114401.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044113243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13051376 + ... + 13051455.

It is an arithmetic number, because the mean of its divisors is an integer number (146828430).

Almost surely, 2^1044113240 is an apocalyptic number.

1044113240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1044113240 is an abundant number, since it is smaller than the sum of its proper divisors (1305141640).

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

1044113240 is a wasteful number, since it uses less digits than its factorization.

1044113240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26102842 (or 26102838 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1044113240 is about 32312.7411402994. The cubic root of 1044113240 is about 1014.4933415743.

Adding to 1044113240 its reverse (423114401), we get a palindrome (1467227641).

The spelling of 1044113240 in words is "one billion, forty-four million, one hundred thirteen thousand, two hundred forty".