2009338528 has 24 divisors (see below), whose sum is σ = 4188585492. Its totient is φ = 945570816.

The previous prime is 2009338469. The next prime is 2009338531. The reversal of 2009338528 is 8258339002.

It can be written as a sum of positive squares in 2 ways, for example, as 1766352784 + 242985744 = 42028^2 + 15588^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1846275 + ... + 1847362.

Almost surely, 2^2009338528 is an apocalyptic number.

It is an amenable number.

2009338528 is an abundant number, since it is smaller than the sum of its proper divisors (2179246964).

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

2009338528 is a wasteful number, since it uses less digits than its factorization.

2009338528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3693664 (or 3693656 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 2009338528 is about 44825.6458737629. The cubic root of 2009338528 is about 1261.8789736955.

The spelling of 2009338528 in words is "two billion, nine million, three hundred thirty-eight thousand, five hundred twenty-eight".