201344650680 has 128 divisors (see below), whose sum is σ = 615755623680. Its totient is φ = 52657059840.

The previous prime is 201344650679. The next prime is 201344650757. The reversal of 201344650680 is 86056443102.

201344650680 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 an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1769920 + ... + 1880240.

It is an arithmetic number, because the mean of its divisors is an integer number (4810590810).

Almost surely, 2^201344650680 is an apocalyptic number.

201344650680 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 201344650680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307877811840).

201344650680 is an abundant number, since it is smaller than the sum of its proper divisors (414410973000).

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

201344650680 is a wasteful number, since it uses less digits than its factorization.

201344650680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110629 (or 110625 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 201344650680 in words is "two hundred one billion, three hundred forty-four million, six hundred fifty thousand, six hundred eighty".