2000243010440 has 32 divisors (see below), whose sum is σ = 4508136281880. Its totient is φ = 798747958272.

The previous prime is 2000243010431. The next prime is 2000243010443. The reversal of 2000243010440 is 440103420002.

It can be written as a sum of positive squares in 4 ways, for example, as 1664879251204 + 335363759236 = 1290302^2 + 579106^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (2000243010443) 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, 42139919 + ... + 42187358.

Almost surely, 2^{2000243010440} is an apocalyptic number.

2000243010440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000243010440 is an abundant number, since it is smaller than the sum of its proper divisors (2507893271440).

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

2000243010440 is a wasteful number, since it uses less digits than its factorization.

2000243010440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84327881 (or 84327877 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 2000243010440 its reverse (440103420002), we get a palindrome (2440346430442).

The spelling of 2000243010440 in words is "two trillion, two hundred forty-three million, ten thousand, four hundred forty".