28024402008208 has 20 divisors (see below), whose sum is σ = 54297380398140. Its totient is φ = 14012174808704.

The previous prime is 28024402008181. The next prime is 28024402008247. The reversal of 28024402008208 is 80280020442082.

It can be written as a sum of positive squares in 2 ways, for example, as 11549992566784 + 16474409441424 = 3398528^2 + 4058868^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9473838 + ... + 12074866.

It is an arithmetic number, because the mean of its divisors is an integer number (2714869019907).

Almost surely, 2^{28024402008208} is an apocalyptic number.

It is an amenable number.

28024402008208 is a deficient number, since it is larger than the sum of its proper divisors (26272978389932).

28024402008208 is a wasteful number, since it uses less digits than its factorization.

28024402008208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3274434 (or 3274428 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 40.

The spelling of 28024402008208 in words is "twenty-eight trillion, twenty-four billion, four hundred two million, eight thousand, two hundred eight".