2028772650 has 48 divisors (see below), whose sum is σ = 5042980800. Its totient is φ = 539756160.

The previous prime is 2028772631. The next prime is 2028772679. The reversal of 2028772650 is 562778202.

It is a junction number, because it is equal to n+sod(n) for n = 2028772599 and 2028772608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50446 + ... + 81254.

It is an arithmetic number, because the mean of its divisors is an integer number (105062100).

Almost surely, 2^2028772650 is an apocalyptic number.

2028772650 is an abundant number, since it is smaller than the sum of its proper divisors (3014208150).

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

2028772650 is a wasteful number, since it uses less digits than its factorization.

2028772650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31263 (or 31258 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 2028772650 is about 45041.8988276471. The cubic root of 2028772650 is about 1265.9341836911.

The spelling of 2028772650 in words is "two billion, twenty-eight million, seven hundred seventy-two thousand, six hundred fifty".