28236054528 has 300 divisors, whose sum is σ = 94220842248. Its totient is φ = 8053063680.

The previous prime is 28236054523. The next prime is 28236054529. The reversal of 28236054528 is 82545063282.

28236054528 is a `hidden beast` number, since 2 + 8 + 23 + 60 + 545 + 28 = 666.

It is not an unprimeable number, because it can be changed into a prime (28236054523) 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, 1660944376 + ... + 1660944392.

Almost surely, 2^28236054528 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 28236054528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47110421124).

28236054528 is an abundant number, since it is smaller than the sum of its proper divisors (65984787720).

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

28236054528 is an frugal number, since it uses more digits than its factorization.

28236054528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 33 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The spelling of 28236054528 in words is "twenty-eight billion, two hundred thirty-six million, fifty-four thousand, five hundred twenty-eight".