215452332000 has 384 divisors, whose sum is σ = 805457278080. Its totient is φ = 55900108800.

The previous prime is 215452331987. The next prime is 215452332001. The reversal of 215452332000 is 233254512.

It is a happy number.

215452332000 is a `hidden beast` number, since 2 + 1 + 5 + 452 + 3 + 3 + 200 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215452332001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3969042 + ... + 4022958.

It is an arithmetic number, because the mean of its divisors is an integer number (2097544995).

Almost surely, 2^215452332000 is an apocalyptic number.

215452332000 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 215452332000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (402728639040).

215452332000 is an abundant number, since it is smaller than the sum of its proper divisors (590004946080).

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

215452332000 is a wasteful number, since it uses less digits than its factorization.

215452332000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53988 (or 53964 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 215452332000 its reverse (233254512), we get a palindrome (215685586512).

The spelling of 215452332000 in words is "two hundred fifteen billion, four hundred fifty-two million, three hundred thirty-two thousand".