28026789504 has 192 divisors, whose sum is σ = 89396064000. Its totient is φ = 7749181440.

The previous prime is 28026789467. The next prime is 28026789517. The reversal of 28026789504 is 40598762082.

It is a tau number, because it is divible by the number of its divisors (192).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 559272 + ... + 607320.

It is an arithmetic number, because the mean of its divisors is an integer number (465604500).

Almost surely, 2^28026789504 is an apocalyptic number.

28026789504 is a gapful number since it is divisible by the number (24) 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 28026789504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44698032000).

28026789504 is an abundant number, since it is smaller than the sum of its proper divisors (61369274496).

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

28026789504 is a wasteful number, since it uses less digits than its factorization.

28026789504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48111 (or 48092 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

It can be divided in two parts, 2802678 and 9504, that added together give a palindrome (2812182).

The spelling of 28026789504 in words is "twenty-eight billion, twenty-six million, seven hundred eighty-nine thousand, five hundred four".