1330000044 has 12 divisors (see below), whose sum is σ = 3103333464. Its totient is φ = 443333344.

The previous prime is 1330000043. The next prime is 1330000081. The reversal of 1330000044 is 4400000331.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1329999978 and 1330000032.

It is not an unprimeable number, because it can be changed into a prime (1330000043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55416657 + ... + 55416680.

It is an arithmetic number, because the mean of its divisors is an integer number (258611122).

Almost surely, 2^1330000044 is an apocalyptic number.

It is an amenable number.

1330000044 is an abundant number, since it is smaller than the sum of its proper divisors (1773333420).

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

1330000044 is a wasteful number, since it uses less digits than its factorization.

1330000044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110833344 (or 110833342 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1330000044 is about 36469.1656608703. The cubic root of 1330000044 is about 1099.7244610136.

Adding to 1330000044 its reverse (4400000331), we get a palindrome (5730000375).

The spelling of 1330000044 in words is "one billion, three hundred thirty million, forty-four", and thus it is an aban number.