200241540 has 144 divisors (see below), whose sum is σ = 637693056. Its totient is φ = 50803200.

The previous prime is 200241539. The next prime is 200241541. The reversal of 200241540 is 45142002.

It is an interprime number because it is at equal distance from previous prime (200241539) and next prime (200241541).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200241541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 317025 + ... + 317655.

It is an arithmetic number, because the mean of its divisors is an integer number (4428424).

Almost surely, 2^200241540 is an apocalyptic number.

200241540 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 200241540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318846528).

200241540 is an abundant number, since it is smaller than the sum of its proper divisors (437451516).

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

200241540 is a wasteful number, since it uses less digits than its factorization.

200241540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730 (or 725 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 200241540 is about 14150.6727755256. The cubic root of 200241540 is about 585.0388753477.

Adding to 200241540 its reverse (45142002), we get a palindrome (245383542).

The spelling of 200241540 in words is "two hundred million, two hundred forty-one thousand, five hundred forty".