2678528128 has 32 divisors (see below), whose sum is σ = 5338463760. Its totient is φ = 1338678528.

The previous prime is 2678528119. The next prime is 2678528141. The reversal of 2678528128 is 8218258762.

It is a tau number, because it is divible by the number of its divisors (32).

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, 574575 + ... + 579217.

Almost surely, 2^2678528128 is an apocalyptic number.

It is an amenable number.

2678528128 is a deficient number, since it is larger than the sum of its proper divisors (2659935632).

2678528128 is an equidigital number, since it uses as much as digits as its factorization.

2678528128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9164 (or 9152 counting only the distinct ones).

The product of its digits is 860160, while the sum is 49.

The square root of 2678528128 is about 51754.4986257233. The cubic root of 2678528128 is about 1388.7755772001.

The spelling of 2678528128 in words is "two billion, six hundred seventy-eight million, five hundred twenty-eight thousand, one hundred twenty-eight".