216045300 has 36 divisors (see below), whose sum is σ = 625091936. Its totient is φ = 57612000.

The previous prime is 216045283. The next prime is 216045307. The reversal of 216045300 is 3540612.

It is a happy number.

216045300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216045307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 359776 + ... + 360375.

Almost surely, 2^216045300 is an apocalyptic number.

216045300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216045300 is an abundant number, since it is smaller than the sum of its proper divisors (409046636).

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

216045300 is a wasteful number, since it uses less digits than its factorization.

216045300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720168 (or 720161 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 216045300 is about 14698.4795132014. The cubic root of 216045300 is about 600.0419415126.

Adding to 216045300 its reverse (3540612), we get a palindrome (219585912).

The spelling of 216045300 in words is "two hundred sixteen million, forty-five thousand, three hundred".