1330040303440 has 40 divisors (see below), whose sum is σ = 3226793436288. Its totient is φ = 508884984960.

The previous prime is 1330040303407. The next prime is 1330040303447. The reversal of 1330040303440 is 443030400331.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330040303447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361422156 + ... + 361425835.

Almost surely, 2^{1330040303440} is an apocalyptic number.

1330040303440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1330040303440 is an abundant number, since it is smaller than the sum of its proper divisors (1896753132848).

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

1330040303440 is a wasteful number, since it uses less digits than its factorization.

1330040303440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722848027 (or 722848021 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 1330040303440 its reverse (443030400331), we get a palindrome (1773070703771).

The spelling of 1330040303440 in words is "one trillion, three hundred thirty billion, forty million, three hundred three thousand, four hundred forty".