2028054678 has 64 divisors (see below), whose sum is σ = 4701074112. Its totient is φ = 577658880.

The previous prime is 2028054673. The next prime is 2028054713. The reversal of 2028054678 is 8764508202.

It is a happy number.

It is a super-2 number, since 2×2028054678² = 8226011553915367368, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028054671) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68350 + ... + 93422.

It is an arithmetic number, because the mean of its divisors is an integer number (73454283).

Almost surely, 2^2028054678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2028054678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2350537056).

2028054678 is an abundant number, since it is smaller than the sum of its proper divisors (2673019434).

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

2028054678 is a wasteful number, since it uses less digits than its factorization.

2028054678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25169.

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 2028054678 is about 45033.9280765069. The cubic root of 2028054678 is about 1265.7848302487.

The spelling of 2028054678 in words is "two billion, twenty-eight million, fifty-four thousand, six hundred seventy-eight".