200578540 has 24 divisors (see below), whose sum is σ = 425561472. Its totient is φ = 79403520.

The previous prime is 200578507. The next prime is 200578541. The reversal of 200578540 is 45875002.

It is not an unprimeable number, because it can be changed into a prime (200578541) 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 7 ways as a sum of consecutive naturals, for example, 49756 + ... + 53635.

It is an arithmetic number, because the mean of its divisors is an integer number (17731728).

Almost surely, 2^200578540 is an apocalyptic number.

200578540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200578540 is an abundant number, since it is smaller than the sum of its proper divisors (224982932).

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

200578540 is a wasteful number, since it uses less digits than its factorization.

200578540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103497 (or 103495 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 200578540 is about 14162.5753307794. The cubic root of 200578540 is about 585.3668918701.

The spelling of 200578540 in words is "two hundred million, five hundred seventy-eight thousand, five hundred forty".