200865040 has 40 divisors (see below), whose sum is σ = 477880128. Its totient is φ = 78476160.

The previous prime is 200864999. The next prime is 200865059. The reversal of 200865040 is 40568002.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 200864996 and 200865014.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25756 + ... + 32635.

Almost surely, 2^200865040 is an apocalyptic number.

200865040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200865040 is an abundant number, since it is smaller than the sum of its proper divisors (277015088).

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

200865040 is a wasteful number, since it uses less digits than its factorization.

200865040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58447 (or 58441 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 200865040 is about 14172.6864073118. The cubic root of 200865040 is about 585.6454657534.

The spelling of 200865040 in words is "two hundred million, eight hundred sixty-five thousand, forty".