2028770018 has 8 divisors (see below), whose sum is σ = 3319805520. Its totient is φ = 922168180.

The previous prime is 2028769997. The next prime is 2028770027. The reversal of 2028770018 is 8100778202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×2028770018³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2028770018.

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, 46108388 + ... + 46108431.

It is an arithmetic number, because the mean of its divisors is an integer number (414975690).

Almost surely, 2^2028770018 is an apocalyptic number.

2028770018 is a deficient number, since it is larger than the sum of its proper divisors (1291035502).

2028770018 is a wasteful number, since it uses less digits than its factorization.

2028770018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92216832.

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 2028770018 is about 45041.8696103969. The cubic root of 2028770018 is about 1265.9336362435.

The spelling of 2028770018 in words is "two billion, twenty-eight million, seven hundred seventy thousand, eighteen".