4528642826 has 8 divisors (see below), whose sum is σ = 6805161540. Its totient is φ = 2260255648.

The previous prime is 4528642817. The next prime is 4528642889. The reversal of 4528642826 is 6282468254.

It can be written as a sum of positive squares in 2 ways, for example, as 4029075625 + 499567201 = 63475^2 + 22351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 2031491 + ... + 2033718.

Almost surely, 2^4528642826 is an apocalyptic number.

4528642826 is a deficient number, since it is larger than the sum of its proper divisors (2276518714).

4528642826 is a wasteful number, since it uses less digits than its factorization.

4528642826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4065768.

The product of its digits is 1474560, while the sum is 47.

The square root of 4528642826 is about 67295.1917004477. The cubic root of 4528642826 is about 1654.4590530428.

The spelling of 4528642826 in words is "four billion, five hundred twenty-eight million, six hundred forty-two thousand, eight hundred twenty-six".