1330128044 has 12 divisors (see below), whose sum is σ = 2660256144. Its totient is φ = 570054864.

The previous prime is 1330128031. The next prime is 1330128049. The reversal of 1330128044 is 4408210331.

1330128044 is an admirable number.

It is a super-2 number, since 2×1330128044² = 3538481226870531872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1330128049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23752259 + ... + 23752314.

It is an arithmetic number, because the mean of its divisors is an integer number (221688012).

Almost surely, 2^1330128044 is an apocalyptic number.

1330128044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1330128044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1330128044 is a wasteful number, since it uses less digits than its factorization.

1330128044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47504584 (or 47504582 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1330128044 is about 36470.9205258107. The cubic root of 1330128044 is about 1099.7597392619.

Adding to 1330128044 its reverse (4408210331), we get a palindrome (5738338375).

The spelling of 1330128044 in words is "one billion, three hundred thirty million, one hundred twenty-eight thousand, forty-four".