855432000000000 has 1170 divisors, whose sum is σ = 3117279107060118. Its totient is φ = 226022400000000.

The previous prime is 855431999999947. The next prime is 855432000000001. The reversal of 855432000000000 is 234558.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 15 ways, for example, as 1606769197056 + 853825230802944 = 1267584^2 + 29220288^2 .

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855432000000001) by changing a digit.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 7847999999946 + ... + 7848000000054.

Almost surely, 2^{855432000000000} is an apocalyptic number.

855432000000000 is a gapful number since it is divisible by the number (80) 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 855432000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1558639553530059).

855432000000000 is an abundant number, since it is smaller than the sum of its proper divisors (2261847107060118).

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

855432000000000 is an frugal number, since it uses more digits than its factorization.

855432000000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 855432000000000 its reverse (234558), we get a palindrome (855432000234558).

The spelling of 855432000000000 in words is "eight hundred fifty-five trillion, four hundred thirty-two billion", and thus it is an aban number.