1330330403444 has 24 divisors (see below), whose sum is σ = 2662026057600. Its totient is φ = 569849047776.

The previous prime is 1330330403443. The next prime is 1330330403449. The reversal of 1330330403444 is 4443040330331.

It is a super-2 number, since 2×1330330403444² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1330330403444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330330403443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12134192 + ... + 12243335.

It is an arithmetic number, because the mean of its divisors is an integer number (110917752400).

Almost surely, 2^{1330330403444} is an apocalyptic number.

1330330403444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1330330403444 is an abundant number, since it is smaller than the sum of its proper divisors (1331695654156).

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

1330330403444 is a wasteful number, since it uses less digits than its factorization.

1330330403444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24379487 (or 24379485 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 1330330403444 its reverse (4443040330331), we get a palindrome (5773370733775).

The spelling of 1330330403444 in words is "one trillion, three hundred thirty billion, three hundred thirty million, four hundred three thousand, four hundred forty-four".