1330044242 has 4 divisors (see below), whose sum is σ = 1995066366. Its totient is φ = 665022120.

The previous prime is 1330044229. The next prime is 1330044263. The reversal of 1330044242 is 2424400331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2424400331 = 139 ⋅17441729.

It can be written as a sum of positive squares in only one way, i.e., 815616481 + 514427761 = 28559^2 + 22681^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332511059 + ... + 332511062.

Almost surely, 2^1330044242 is an apocalyptic number.

1330044242 is a deficient number, since it is larger than the sum of its proper divisors (665022124).

1330044242 is an equidigital number, since it uses as much as digits as its factorization.

1330044242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665022123.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1330044242 is about 36469.7716197949. The cubic root of 1330044242 is about 1099.7366427383.

Adding to 1330044242 its reverse (2424400331), we get a palindrome (3754444573).

The spelling of 1330044242 in words is "one billion, three hundred thirty million, forty-four thousand, two hundred forty-two".