1330385340 has 48 divisors (see below), whose sum is σ = 3739962240. Its totient is φ = 353352000.

The previous prime is 1330385333. The next prime is 1330385351. The reversal of 1330385340 is 435830331.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1330385298 and 1330385307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29110 + ... + 59229.

It is an arithmetic number, because the mean of its divisors is an integer number (77915880).

Almost surely, 2^1330385340 is an apocalyptic number.

1330385340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1330385340 is an abundant number, since it is smaller than the sum of its proper divisors (2409576900).

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

1330385340 is a wasteful number, since it uses less digits than its factorization.

1330385340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88602 (or 88600 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 1330385340 is about 36474.4477682665. The cubic root of 1330385340 is about 1099.8306461042.

The spelling of 1330385340 in words is "one billion, three hundred thirty million, three hundred eighty-five thousand, three hundred forty".