28026519552 has 180 divisors, whose sum is σ = 82134024336. Its totient is φ = 9207152640.

The previous prime is 28026519551. The next prime is 28026519589. The reversal of 28026519552 is 25591562082.

28026519552 is a `hidden beast` number, since 2 + 80 + 2 + 6 + 5 + 19 + 552 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 28026519498 and 28026519507.

It is not an unprimeable number, because it can be changed into a prime (28026519551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10468038 + ... + 10470714.

Almost surely, 2^28026519552 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 28026519552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41067012168).

28026519552 is an abundant number, since it is smaller than the sum of its proper divisors (54107504784).

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

28026519552 is an equidigital number, since it uses as much as digits as its factorization.

28026519552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2782 (or 2753 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The spelling of 28026519552 in words is "twenty-eight billion, twenty-six million, five hundred nineteen thousand, five hundred fifty-two".