200000400 has 60 divisors (see below), whose sum is σ = 640671792. Its totient is φ = 53333120.

The previous prime is 200000399. The next prime is 200000417. The reversal of 200000400 is 4000002.

200000400 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82134 + ... + 84533.

Almost surely, 2^200000400 is an apocalyptic number.

200000400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200000400 is an abundant number, since it is smaller than the sum of its proper divisors (440671392).

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

200000400 is a wasteful number, since it uses less digits than its factorization.

200000400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166688 (or 166677 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 6.

The square root of 200000400 is about 14142.1497658595. The cubic root of 200000400 is about 584.8039375113.

Adding to 200000400 its reverse (4000002), we get a palindrome (204000402).

The spelling of 200000400 in words is "two hundred million, four hundred", and thus it is an aban number.