2028007816 has 32 divisors (see below), whose sum is σ = 3940536600. Its totient is φ = 977320960.

The previous prime is 2028007811. The next prime is 2028007831. The reversal of 2028007816 is 6187008202.

It can be written as a sum of positive squares in 4 ways, for example, as 2027700900 + 306916 = 45030^2 + 554^2 .

It is a super-2 number, since 2×2028007816² = 8225631403514179712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2028007811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130206 + ... + 144946.

Almost surely, 2^2028007816 is an apocalyptic number.

It is an amenable number.

2028007816 is a deficient number, since it is larger than the sum of its proper divisors (1912528784).

2028007816 is a wasteful number, since it uses less digits than its factorization.

2028007816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15369 (or 15365 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 2028007816 is about 45033.4077768938. The cubic root of 2028007816 is about 1265.7750807309.

The spelling of 2028007816 in words is "two billion, twenty-eight million, seven thousand, eight hundred sixteen".