200412540240 has 80 divisors (see below), whose sum is σ = 677758781376. Its totient is φ = 48584857600.

The previous prime is 200412540233. The next prime is 200412540241. The reversal of 200412540240 is 42045214002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 200412540240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200412540241) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 37954281 + ... + 37959560.

Almost surely, 2^200412540240 is an apocalyptic number.

200412540240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200412540240 is an abundant number, since it is smaller than the sum of its proper divisors (477346241136).

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

200412540240 is a wasteful number, since it uses less digits than its factorization.

200412540240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75913868 (or 75913862 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 200412540240 its reverse (42045214002), we get a palindrome (242457754242).

The spelling of 200412540240 in words is "two hundred billion, four hundred twelve million, five hundred forty thousand, two hundred forty".