28794544000 has 128 divisors (see below), whose sum is σ = 71700108480. Its totient is φ = 11500185600.

The previous prime is 28794543931. The next prime is 28794544007. The reversal of 28794544000 is 44549782.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28794544007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17007154 + ... + 17008846.

Almost surely, 2^28794544000 is an apocalyptic number.

28794544000 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 28794544000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35850054240).

28794544000 is an abundant number, since it is smaller than the sum of its proper divisors (42905564480).

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

28794544000 is a wasteful number, since it uses less digits than its factorization.

28794544000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2785 (or 2763 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 28794544000 in words is "twenty-eight billion, seven hundred ninety-four million, five hundred forty-four thousand".