2143434440200 has 48 divisors (see below), whose sum is σ = 4993472250000. Its totient is φ = 855655552320.

The previous prime is 2143434440177. The next prime is 2143434440207. The reversal of 2143434440200 is 20444343412.

It is a super-2 number, since 2×2143434440200² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2143434440207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10638850 + ... + 10838449.

It is an arithmetic number, because the mean of its divisors is an integer number (104030671875).

Almost surely, 2^{2143434440200} is an apocalyptic number.

2143434440200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2143434440200 is an abundant number, since it is smaller than the sum of its proper divisors (2850037809800).

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

2143434440200 is a wasteful number, since it uses less digits than its factorization.

2143434440200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21477814 (or 21477805 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 2143434440200 its reverse (20444343412), we get a palindrome (2163878783612).

The spelling of 2143434440200 in words is "two trillion, one hundred forty-three billion, four hundred thirty-four million, four hundred forty thousand, two hundred".