200400885 has 48 divisors (see below), whose sum is σ = 379229760. Its totient is φ = 101243520.

The previous prime is 200400883. The next prime is 200400919. The reversal of 200400885 is 588004002.

It is not a de Polignac number, because 200400885 - 2¹ = 200400883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200400881) 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, 18745 + ... + 27425.

It is an arithmetic number, because the mean of its divisors is an integer number (7900620).

Almost surely, 2^200400885 is an apocalyptic number.

It is an amenable number.

200400885 is a deficient number, since it is larger than the sum of its proper divisors (178828875).

200400885 is an equidigital number, since it uses as much as digits as its factorization.

200400885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8720 (or 8708 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 200400885 is about 14156.3019535470. The cubic root of 200400885 is about 585.1940184858.

Adding to 200400885 its reverse (588004002), we get a palindrome (788404887).

The spelling of 200400885 in words is "two hundred million, four hundred thousand, eight hundred eighty-five".