2028450538 has 12 divisors (see below), whose sum is σ = 3064270950. Its totient is φ = 1007032256.

The previous prime is 2028450499. The next prime is 2028450563. The reversal of 2028450538 is 8350548202.

It can be written as a sum of positive squares in 3 ways, for example, as 1324450449 + 704000089 = 36393^2 + 26533^2 .

It is a super-2 number, since 2×2028450538² = 8229223170224978888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2028450497 and 2028450506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 776178 + ... + 778786.

Almost surely, 2^2028450538 is an apocalyptic number.

2028450538 is a deficient number, since it is larger than the sum of its proper divisors (1035820412).

2028450538 is an frugal number, since it uses more digits than its factorization.

2028450538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5369 (or 2760 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

The square root of 2028450538 is about 45038.3229927581. The cubic root of 2028450538 is about 1265.8671819048.

The spelling of 2028450538 in words is "two billion, twenty-eight million, four hundred fifty thousand, five hundred thirty-eight".