2728302680 has 16 divisors (see below), whose sum is σ = 6138681120. Its totient is φ = 1091321056.

The previous prime is 2728302679. The next prime is 2728302713. The reversal of 2728302680 is 862038272.

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, 34103744 + ... + 34103823.

It is an arithmetic number, because the mean of its divisors is an integer number (383667570).

Almost surely, 2^2728302680 is an apocalyptic number.

2728302680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2728302680 is an abundant number, since it is smaller than the sum of its proper divisors (3410378440).

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

2728302680 is a wasteful number, since it uses less digits than its factorization.

2728302680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68207578 (or 68207574 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 2728302680 is about 52233.1569024887. The cubic root of 2728302680 is about 1397.3252809222.

The spelling of 2728302680 in words is "two billion, seven hundred twenty-eight million, three hundred two thousand, six hundred eighty".