2040400200 has 96 divisors (see below), whose sum is σ = 6344638560. Its totient is φ = 542438400.

The previous prime is 2040400199. The next prime is 2040400217. The reversal of 2040400200 is 20040402.

It is a Harshad number since it is a multiple of its sum of digits (12).

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 23 ways as a sum of consecutive naturals, for example, 197155 + ... + 207245.

It is an arithmetic number, because the mean of its divisors is an integer number (66089985).

Almost surely, 2^2040400200 is an apocalyptic number.

2040400200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2040400200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3172319280).

2040400200 is an abundant number, since it is smaller than the sum of its proper divisors (4304238360).

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

2040400200 is a wasteful number, since it uses less digits than its factorization.

2040400200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10447 (or 10438 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 2040400200 is about 45170.7892337515. The cubic root of 2040400200 is about 1268.3480702474.

Adding to 2040400200 its reverse (20040402), we get a palindrome (2060440602).

The spelling of 2040400200 in words is "two billion, forty million, four hundred thousand, two hundred".