1330111044 has 72 divisors (see below), whose sum is σ = 3495754080. Its totient is φ = 442226304.

The previous prime is 1330111043. The next prime is 1330111051. The reversal of 1330111044 is 4401110331.

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 (1330111043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 429052 + ... + 432140.

It is an arithmetic number, because the mean of its divisors is an integer number (48552140).

Almost surely, 2^1330111044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1330111044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1747877040).

1330111044 is an abundant number, since it is smaller than the sum of its proper divisors (2165643036).

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

1330111044 is a wasteful number, since it uses less digits than its factorization.

1330111044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3551 (or 3537 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1330111044 is about 36470.6874626734. The cubic root of 1330111044 is about 1099.7550539999.

Adding to 1330111044 its reverse (4401110331), we get a palindrome (5731221375).

The spelling of 1330111044 in words is "one billion, three hundred thirty million, one hundred eleven thousand, forty-four".