200040 has 32 divisors (see below), whose sum is σ = 600480. Its totient is φ = 53312.

The previous prime is 200033. The next prime is 200041. The reversal of 200040 is 40002.

200040 = T₁₉₅ + T₁₉₆ + ... + T₂₀₄.

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 not an unprimeable number, because it can be changed into a prime (200041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 714 + ... + 953.

It is an arithmetic number, because the mean of its divisors is an integer number (18765).

2²⁰⁰⁰⁴⁰ is an apocalyptic number.

200040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200040 is an abundant number, since it is smaller than the sum of its proper divisors (400440).

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

200040 is a wasteful number, since it uses less digits than its factorization.

200040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681 (or 1677 counting only the distinct ones).

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

The square root of 200040 is about 447.2583146237. The cubic root of 200040 is about 58.4842531947.

Adding to 200040 its reverse (40002), we get a palindrome (240042).

The spelling of 200040 in words is "two hundred thousand, forty", and thus it is an iban number.