2728806048 has 72 divisors (see below), whose sum is σ = 7869397536. Its totient is φ = 896784000.

The previous prime is 2728805971. The next prime is 2728806053. The reversal of 2728806048 is 8406088272.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 2728805994 and 2728806012.

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, 46278 + ... + 87173.

It is an arithmetic number, because the mean of its divisors is an integer number (109297188).

Almost surely, 2^2728806048 is an apocalyptic number.

It is an amenable number.

2728806048 is an abundant number, since it is smaller than the sum of its proper divisors (5140591488).

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

2728806048 is a wasteful number, since it uses less digits than its factorization.

2728806048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133538 (or 133527 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 2728806048 is about 52237.9751521822. The cubic root of 2728806048 is about 1397.4112104862.

The spelling of 2728806048 in words is "two billion, seven hundred twenty-eight million, eight hundred six thousand, forty-eight".