200542398 has 96 divisors (see below), whose sum is σ = 485388288. Its totient is φ = 55036800.

The previous prime is 200542327. The next prime is 200542417. The reversal of 200542398 is 893245002.

It is a happy number.

It is a Curzon number.

It is a congruent number.

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, 1530793 + ... + 1530923.

It is an arithmetic number, because the mean of its divisors is an integer number (5056128).

Almost surely, 2^200542398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200542398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242694144).

200542398 is an abundant number, since it is smaller than the sum of its proper divisors (284845890).

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

200542398 is a wasteful number, since it uses less digits than its factorization.

200542398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 200542398 is about 14161.2993047954. The cubic root of 200542398 is about 585.3317309118.

The spelling of 200542398 in words is "two hundred million, five hundred forty-two thousand, three hundred ninety-eight".