2028785594064 has 40 divisors (see below), whose sum is σ = 5246361241152. Its totient is φ = 675573891840.

The previous prime is 2028785594051. The next prime is 2028785594083. The reversal of 2028785594064 is 4604955878202.

It is a junction number, because it is equal to n+sod(n) for n = 2028785593989 and 2028785594007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21451477 + ... + 21545844.

Almost surely, 2^{2028785594064} is an apocalyptic number.

2028785594064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2028785594064 is an abundant number, since it is smaller than the sum of its proper divisors (3217575647088).

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

2028785594064 is a wasteful number, since it uses less digits than its factorization.

2028785594064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42998315 (or 42998309 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 60.

The spelling of 2028785594064 in words is "two trillion, twenty-eight billion, seven hundred eighty-five million, five hundred ninety-four thousand, sixty-four".