2528268290 has 16 divisors (see below), whose sum is σ = 4551801912. Its totient is φ = 1011103104.

The previous prime is 2528268289. The next prime is 2528268299. The reversal of 2528268290 is 928628252.

It can be written as a sum of positive squares in 4 ways, for example, as 2190333601 + 337934689 = 46801^2 + 18383^2 .

It is not an unprimeable number, because it can be changed into a prime (2528268299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32822 + ... + 78318.

Almost surely, 2^2528268290 is an apocalyptic number.

2528268290 is a deficient number, since it is larger than the sum of its proper divisors (2023533622).

2528268290 is a wasteful number, since it uses less digits than its factorization.

2528268290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51061.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 2528268290 is about 50281.8882899201. Note that the first 3 decimals coincide. The cubic root of 2528268290 is about 1362.3051107495.

The spelling of 2528268290 in words is "two billion, five hundred twenty-eight million, two hundred sixty-eight thousand, two hundred ninety".