68780450200 has 192 divisors, whose sum is σ = 205806827520. Its totient is φ = 20746368000.

The previous prime is 68780450191. The next prime is 68780450239. The reversal of 68780450200 is 205408786.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 405364 + ... + 549436.

It is an arithmetic number, because the mean of its divisors is an integer number (1071910560).

Almost surely, 2^68780450200 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68780450200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102903413760).

68780450200 is an abundant number, since it is smaller than the sum of its proper divisors (137026377320).

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

68780450200 is a wasteful number, since it uses less digits than its factorization.

68780450200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144138 (or 144129 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

Adding to 68780450200 its reverse (205408786), we get a palindrome (68985858986).

The spelling of 68780450200 in words is "sixty-eight billion, seven hundred eighty million, four hundred fifty thousand, two hundred".