28364100855552 has 432 divisors, whose sum is σ = 103688527138560. Its totient is φ = 7242426777600.

The previous prime is 28364100855539. The next prime is 28364100855553. The reversal of 28364100855552 is 25555800146382.

28364100855552 is a `hidden beast` number, since 2 + 8 + 3 + 6 + 4 + 1 + 0 + 0 + 85 + 5 + 552 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28364100855553) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9112152 + ... + 11821992.

Almost surely, 2^{28364100855552} is an apocalyptic number.

28364100855552 is a gapful number since it is divisible by the number (22) 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 28364100855552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51844263569280).

28364100855552 is an abundant number, since it is smaller than the sum of its proper divisors (75324426283008).

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

28364100855552 is a wasteful number, since it uses less digits than its factorization.

28364100855552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2709940 (or 2709923 counting only the distinct ones).

The product of its (nonzero) digits is 11520000, while the sum is 54.

The spelling of 28364100855552 in words is "twenty-eight trillion, three hundred sixty-four billion, one hundred million, eight hundred fifty-five thousand, five hundred fifty-two".