201640683288 has 432 divisors, whose sum is σ = 613702043640. Its totient is φ = 54976373760.

The previous prime is 201640683281. The next prime is 201640683371. The reversal of 201640683288 is 882386046102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201640683281) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 4290227281 + ... + 4290227327.

Almost surely, 2^201640683288 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 201640683288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306851021820).

201640683288 is an abundant number, since it is smaller than the sum of its proper divisors (412061360352).

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

201640683288 is a wasteful number, since it uses less digits than its factorization.

201640683288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The spelling of 201640683288 in words is "two hundred one billion, six hundred forty million, six hundred eighty-three thousand, two hundred eighty-eight".