28801640416548 has 24 divisors (see below), whose sum is σ = 67716833960160. Its totient is φ = 9527260188160.

The previous prime is 28801640416531. The next prime is 28801640416579. The reversal of 28801640416548 is 84561404610882.

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, 9160825533 + ... + 9160828676.

It is an arithmetic number, because the mean of its divisors is an integer number (2821534748340).

Almost surely, 2^{28801640416548} is an apocalyptic number.

It is an amenable number.

28801640416548 is an abundant number, since it is smaller than the sum of its proper divisors (38915193543612).

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

28801640416548 is a wasteful number, since it uses less digits than its factorization.

28801640416548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18321654347 (or 18321654345 counting only the distinct ones).

The product of its (nonzero) digits is 11796480, while the sum is 57.

The spelling of 28801640416548 in words is "twenty-eight trillion, eight hundred one billion, six hundred forty million, four hundred sixteen thousand, five hundred forty-eight".