28626662330 has 32 divisors (see below), whose sum is σ = 59352846336. Its totient is φ = 9737570304.

The previous prime is 28626662297. The next prime is 28626662359. The reversal of 28626662330 is 3326662682.

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 15 ways as a sum of consecutive naturals, for example, 1601159 + ... + 1618938.

It is an arithmetic number, because the mean of its divisors is an integer number (1854776448).

Almost surely, 2^28626662330 is an apocalyptic number.

28626662330 is an abundant number, since it is smaller than the sum of its proper divisors (30726184006).

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

28626662330 is a wasteful number, since it uses less digits than its factorization.

28626662330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3220238.

The product of its (nonzero) digits is 746496, while the sum is 44.

The spelling of 28626662330 in words is "twenty-eight billion, six hundred twenty-six million, six hundred sixty-two thousand, three hundred thirty".