208490600430 has 192 divisors, whose sum is σ = 651512429568. Its totient is φ = 46983525120.

The previous prime is 208490600429. The next prime is 208490600447. The reversal of 208490600430 is 34006094802.

It is a happy number.

208490600430 is a `hidden beast` number, since 2 + 0 + 8 + 4 + 9 + 0 + 600 + 43 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1121394 + ... + 1294026.

It is an arithmetic number, because the mean of its divisors is an integer number (3393293904).

Almost surely, 2^208490600430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 208490600430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325756214784).

208490600430 is an abundant number, since it is smaller than the sum of its proper divisors (443021829138).

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

208490600430 is a wasteful number, since it uses less digits than its factorization.

208490600430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172733 (or 172721 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 208490600430 in words is "two hundred eight billion, four hundred ninety million, six hundred thousand, four hundred thirty".