215340323200 has 48 divisors (see below), whose sum is σ = 531957900060. Its totient is φ = 86136128000.

The previous prime is 215340323197. The next prime is 215340323257. The reversal of 215340323200 is 2323043512.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33643726 + ... + 33650125.

Almost surely, 2^215340323200 is an apocalyptic number.

215340323200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215340323200 is an abundant number, since it is smaller than the sum of its proper divisors (316617576860).

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

215340323200 is an equidigital number, since it uses as much as digits as its factorization.

215340323200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67293875 (or 67293858 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 215340323200 its reverse (2323043512), we get a palindrome (217663366712).

The spelling of 215340323200 in words is "two hundred fifteen billion, three hundred forty million, three hundred twenty-three thousand, two hundred".