1380808616 has 32 divisors (see below), whose sum is σ = 2826139680. Its totient is φ = 627249600.

The previous prime is 1380808601. The next prime is 1380808691. The reversal of 1380808616 is 6168080831.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174506 + ... + 182246.

It is an arithmetic number, because the mean of its divisors is an integer number (88316865).

Almost surely, 2^1380808616 is an apocalyptic number.

It is an amenable number.

1380808616 is an abundant number, since it is smaller than the sum of its proper divisors (1445331064).

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

1380808616 is a wasteful number, since it uses less digits than its factorization.

1380808616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9785 (or 9781 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 1380808616 is about 37159.2332536612. The cubic root of 1380808616 is about 1113.5536935380.

The spelling of 1380808616 in words is "one billion, three hundred eighty million, eight hundred eight thousand, six hundred sixteen".