1130320044 has 54 divisors (see below), whose sum is σ = 3323684364. Its totient is φ = 322948080.

The previous prime is 1130319991. The next prime is 1130320049. The reversal of 1130320044 is 4400230311.

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

It is a junction number, because it is equal to n+sod(n) for n = 1130319999 and 1130320026.

It is not an unprimeable number, because it can be changed into a prime (1130320049) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 318622 + ... + 322149.

Almost surely, 2^1130320044 is an apocalyptic number.

1130320044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1130320044 is an abundant number, since it is smaller than the sum of its proper divisors (2193364320).

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

1130320044 is a wasteful number, since it uses less digits than its factorization.

1130320044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640795 (or 640783 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1130320044 is about 33620.2326583264. The cubic root of 1130320044 is about 1041.6787618208.

Adding to 1130320044 its reverse (4400230311), we get a palindrome (5530550355).

The spelling of 1130320044 in words is "one billion, one hundred thirty million, three hundred twenty thousand, forty-four".