243990064200 has 48 divisors (see below), whose sum is σ = 756369200880. Its totient is φ = 65064016960.

The previous prime is 243990064193. The next prime is 243990064207. The reversal of 243990064200 is 2460099342.

243990064200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (243990064193) and next prime (243990064207).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (243990064207) 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 11 ways as a sum of consecutive naturals, for example, 203324454 + ... + 203325653.

It is an arithmetic number, because the mean of its divisors is an integer number (15757691685).

Almost surely, 2^243990064200 is an apocalyptic number.

243990064200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243990064200 is an abundant number, since it is smaller than the sum of its proper divisors (512379136680).

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

243990064200 is a wasteful number, since it uses less digits than its factorization.

243990064200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406650126 (or 406650117 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The spelling of 243990064200 in words is "two hundred forty-three billion, nine hundred ninety million, sixty-four thousand, two hundred".