200540799240 has 128 divisors (see below), whose sum is σ = 627433067520. Its totient is φ = 51218841600.

The previous prime is 200540799211. The next prime is 200540799281. The reversal of 200540799240 is 42997045002.

It is a super-2 number, since 2×200540799240² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200540799192 and 200540799201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82960 + ... + 638720.

It is an arithmetic number, because the mean of its divisors is an integer number (4901820840).

Almost surely, 2^200540799240 is an apocalyptic number.

200540799240 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 200540799240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313716533760).

200540799240 is an abundant number, since it is smaller than the sum of its proper divisors (426892268280).

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

200540799240 is a wasteful number, since it uses less digits than its factorization.

200540799240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555903 (or 555899 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 200540799240 in words is "two hundred billion, five hundred forty million, seven hundred ninety-nine thousand, two hundred forty".