28650861985244 has 24 divisors (see below), whose sum is σ = 50637428003568. Its totient is φ = 14183036582400.

The previous prime is 28650861985189. The next prime is 28650861985267. The reversal of 28650861985244 is 44258916805682.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8972399 + ... + 11739065.

It is an arithmetic number, because the mean of its divisors is an integer number (2109892833482).

Almost surely, 2^{28650861985244} is an apocalyptic number.

It is an amenable number.

28650861985244 is a deficient number, since it is larger than the sum of its proper divisors (21986566018324).

28650861985244 is a wasteful number, since it uses less digits than its factorization.

28650861985244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2792405 (or 2792403 counting only the distinct ones).

The product of its (nonzero) digits is 265420800, while the sum is 68.

The spelling of 28650861985244 in words is "twenty-eight trillion, six hundred fifty billion, eight hundred sixty-one million, nine hundred eighty-five thousand, two hundred forty-four".