28011600317264 has 80 divisors (see below), whose sum is σ = 58067523440640. Its totient is φ = 13059572592000.

The previous prime is 28011600317257. The next prime is 28011600317291. The reversal of 28011600317264 is 46271300611082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1115117 + ... + 7567475.

It is an arithmetic number, because the mean of its divisors is an integer number (725844043008).

Almost surely, 2^{28011600317264} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28011600317264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29033761720320).

28011600317264 is an abundant number, since it is smaller than the sum of its proper divisors (30055923123376).

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

28011600317264 is a wasteful number, since it uses less digits than its factorization.

28011600317264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6452688 (or 6452682 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 28011600317264 in words is "twenty-eight trillion, eleven billion, six hundred million, three hundred seventeen thousand, two hundred sixty-four".