1320330040 has 16 divisors (see below), whose sum is σ = 2970742680. Its totient is φ = 528132000.

The previous prime is 1320330017. The next prime is 1320330061. The reversal of 1320330040 is 400330231.

It is a junction number, because it is equal to n+sod(n) for n = 1320329996 and 1320330023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16504086 + ... + 16504165.

Almost surely, 2^1320330040 is an apocalyptic number.

1320330040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320330040 is an abundant number, since it is smaller than the sum of its proper divisors (1650412640).

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

1320330040 is a wasteful number, since it uses less digits than its factorization.

1320330040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33008262 (or 33008258 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 1320330040 is about 36336.3459913074. The cubic root of 1320330040 is about 1097.0527273909.

Adding to 1320330040 its reverse (400330231), we get a palindrome (1720660271).

The spelling of 1320330040 in words is "one billion, three hundred twenty million, three hundred thirty thousand, forty".