63243538200 has 144 divisors (see below), whose sum is σ = 213145104120. Its totient is φ = 16805214720.

The previous prime is 63243538157. The next prime is 63243538207. The reversal of 63243538200 is 283534236.

It is a happy number.

63243538200 is a `hidden beast` number, since 63 + 2 + 43 + 538 + 20 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63243538207) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 447324 + ... + 571476.

Almost surely, 2^63243538200 is an apocalyptic number.

63243538200 is a gapful number since it is divisible by the number (60) 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 63243538200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106572552060).

63243538200 is an abundant number, since it is smaller than the sum of its proper divisors (149901565920).

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

63243538200 is a wasteful number, since it uses less digits than its factorization.

63243538200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124458 (or 124446 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 63243538200 in words is "sixty-three billion, two hundred forty-three million, five hundred thirty-eight thousand, two hundred".