28240896160 has 96 divisors (see below), whose sum is σ = 67988289600. Its totient is φ = 11083438080.

The previous prime is 28240896113. The next prime is 28240896197. The reversal of 28240896160 is 6169804282.

It is a self number, because there is not a number n which added to its sum of digits gives 28240896160.

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, 1857871 + ... + 1873009.

It is an arithmetic number, because the mean of its divisors is an integer number (708211350).

Almost surely, 2^28240896160 is an apocalyptic number.

28240896160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28240896160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33994144800).

28240896160 is an abundant number, since it is smaller than the sum of its proper divisors (39747393440).

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

28240896160 is a wasteful number, since it uses less digits than its factorization.

28240896160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15374 (or 15366 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 28240896160 in words is "twenty-eight billion, two hundred forty million, eight hundred ninety-six thousand, one hundred sixty".