1380302660 has 36 divisors (see below), whose sum is σ = 3186109164. Its totient is φ = 501927360.

The previous prime is 1380302659. The next prime is 1380302713. The reversal of 1380302660 is 662030831.

It can be written as a sum of positive squares in 2 ways, for example, as 1014804736 + 365497924 = 31856^2 + 19118^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 282767 + ... + 287606.

Almost surely, 2^1380302660 is an apocalyptic number.

1380302660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1380302660 is an abundant number, since it is smaller than the sum of its proper divisors (1805806504).

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

1380302660 is a wasteful number, since it uses less digits than its factorization.

1380302660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570404 (or 570391 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1380302660 is about 37152.4246853419. The cubic root of 1380302660 is about 1113.4176674456.

The spelling of 1380302660 in words is "one billion, three hundred eighty million, three hundred two thousand, six hundred sixty".