2028634128 has 60 divisors (see below), whose sum is σ = 5682493440. Its totient is φ = 675599808.

The previous prime is 2028634093. The next prime is 2028634133. The reversal of 2028634128 is 8214368202.

2028634128 is a `hidden beast` number, since 2 + 0 + 2 + 8 + 634 + 12 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2028634092 and 2028634101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170353 + ... + 181871.

It is an arithmetic number, because the mean of its divisors is an integer number (94708224).

Almost surely, 2^2028634128 is an apocalyptic number.

It is an amenable number.

2028634128 is an abundant number, since it is smaller than the sum of its proper divisors (3653859312).

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

2028634128 is a wasteful number, since it uses less digits than its factorization.

2028634128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12756 (or 12747 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 2028634128 is about 45040.3610997958. The cubic root of 2028634128 is about 1265.9053709134.

The spelling of 2028634128 in words is "two billion, twenty-eight million, six hundred thirty-four thousand, one hundred twenty-eight".