28016567040 has 576 divisors, whose sum is σ = 117451837440. Its totient is φ = 5514117120.

The previous prime is 28016567017. The next prime is 28016567057. The reversal of 28016567040 is 4076561082.

It is a self number, because there is not a number n which added to its sum of digits gives 28016567040.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5615427 + ... + 5620413.

It is an arithmetic number, because the mean of its divisors is an integer number (203909440).

Almost surely, 2^28016567040 is an apocalyptic number.

28016567040 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 28016567040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58725918720).

28016567040 is an abundant number, since it is smaller than the sum of its proper divisors (89435270400).

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

28016567040 is a wasteful number, since it uses less digits than its factorization.

28016567040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5048 (or 5034 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 28016567040 in words is "twenty-eight billion, sixteen million, five hundred sixty-seven thousand, forty".