28044842206 has 4 divisors (see below), whose sum is σ = 42067263312. Its totient is φ = 14022421102.

The previous prime is 28044842197. The next prime is 28044842239. The reversal of 28044842206 is 60224844082.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7011210550 + ... + 7011210553.

It is an arithmetic number, because the mean of its divisors is an integer number (10516815828).

Almost surely, 2^28044842206 is an apocalyptic number.

28044842206 is a deficient number, since it is larger than the sum of its proper divisors (14022421106).

28044842206 is a wasteful number, since it uses less digits than its factorization.

28044842206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14022421105.

The product of its (nonzero) digits is 196608, while the sum is 40.

The spelling of 28044842206 in words is "twenty-eight billion, forty-four million, eight hundred forty-two thousand, two hundred six".