200638981054680 has 256 divisors, whose sum is σ = 706884853063680. Its totient is φ = 44596380708864.

The previous prime is 200638981054657. The next prime is 200638981054693. The reversal of 200638981054680 is 86450189836002.

It is a Cunningham number, because it is equal to 14164709²-1.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 54888252 + ... + 58429428.

It is an arithmetic number, because the mean of its divisors is an integer number (2761268957280).

Almost surely, 2^{200638981054680} is an apocalyptic number.

200638981054680 is a gapful number since it is divisible by the number (20) 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 200638981054680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353442426531840).

200638981054680 is an abundant number, since it is smaller than the sum of its proper divisors (506245872009000).

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

200638981054680 is a wasteful number, since it uses less digits than its factorization.

200638981054680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3543058 (or 3543054 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 60.

The spelling of 200638981054680 in words is "two hundred trillion, six hundred thirty-eight billion, nine hundred eighty-one million, fifty-four thousand, six hundred eighty".