28044146808 has 64 divisors (see below), whose sum is σ = 78027856800. Its totient is φ = 9332755200.

The previous prime is 28044146783. The next prime is 28044146833. The reversal of 28044146808 is 80864144082.

It is an interprime number because it is at equal distance from previous prime (28044146783) and next prime (28044146833).

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 in 15 ways as a sum of consecutive naturals, for example, 26508 + ... + 238308.

Almost surely, 2^28044146808 is an apocalyptic number.

It is an amenable number.

28044146808 is an abundant number, since it is smaller than the sum of its proper divisors (49983709992).

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

28044146808 is a wasteful number, since it uses less digits than its factorization.

28044146808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212429 (or 212419 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 45.

The spelling of 28044146808 in words is "twenty-eight billion, forty-four million, one hundred forty-six thousand, eight hundred eight".