215455033200 has 240 divisors, whose sum is σ = 754173979776. Its totient is φ = 52144358400.

The previous prime is 215455033091. The next prime is 215455033207. The reversal of 215455033200 is 2330554512.

215455033200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215455033207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8078287 + ... + 8104913.

Almost surely, 2^215455033200 is an apocalyptic number.

215455033200 is a gapful number since it is divisible by the number (20) 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 215455033200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377086989888).

215455033200 is an abundant number, since it is smaller than the sum of its proper divisors (538718946576).

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

215455033200 is a wasteful number, since it uses less digits than its factorization.

215455033200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27272 (or 27261 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 215455033200 its reverse (2330554512), we get a palindrome (217785587712).

The spelling of 215455033200 in words is "two hundred fifteen billion, four hundred fifty-five million, thirty-three thousand, two hundred".