2000240406 has 56 divisors (see below), whose sum is σ = 4552957080. Its totient is φ = 658673856.

The previous prime is 2000240401. The next prime is 2000240449. The reversal of 2000240406 is 6040420002.

2000240406 is a `hidden beast` number, since 20 + 0 + 0 + 240 + 406 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000240401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 112750 + ... + 129278.

It is an arithmetic number, because the mean of its divisors is an integer number (81302805).

Almost surely, 2^2000240406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2000240406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2276478540).

2000240406 is an abundant number, since it is smaller than the sum of its proper divisors (2552716674).

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

2000240406 is an equidigital number, since it uses as much as digits as its factorization.

2000240406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16632 (or 16617 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2000240406 is about 44724.0472900206. The cubic root of 2000240406 is about 1259.9715299690.

Adding to 2000240406 its reverse (6040420002), we get a palindrome (8040660408).

The spelling of 2000240406 in words is "two billion, two hundred forty thousand, four hundred six".