206632243400 has 192 divisors, whose sum is σ = 532432440000. Its totient is φ = 73951539200.

The previous prime is 206632243379. The next prime is 206632243451. The reversal of 206632243400 is 4342236602.

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, 44444276 + ... + 44448924.

It is an arithmetic number, because the mean of its divisors is an integer number (2773085625).

Almost surely, 2^206632243400 is an apocalyptic number.

206632243400 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 206632243400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266216220000).

206632243400 is an abundant number, since it is smaller than the sum of its proper divisors (325800196600).

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

206632243400 is a wasteful number, since it uses less digits than its factorization.

206632243400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4992 (or 4983 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

The spelling of 206632243400 in words is "two hundred six billion, six hundred thirty-two million, two hundred forty-three thousand, four hundred".