4243434331140 has 72 divisors (see below), whose sum is σ = 12965705265240. Its totient is φ = 1123322755584.

The previous prime is 4243434331027. The next prime is 4243434331141. The reversal of 4243434331140 is 411334343424.

4243434331140 is a `hidden beast` number, since 4 + 2 + 43 + 43 + 433 + 1 + 140 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 523527496704 + 3719906834436 = 723552^2 + 1928706^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4243434331095 and 4243434331104.

It is not an unprimeable number, because it can be changed into a prime (4243434331141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86014155 + ... + 86063474.

It is an arithmetic number, because the mean of its divisors is an integer number (180079239795).

Almost surely, 2^{4243434331140} is an apocalyptic number.

It is an amenable number.

4243434331140 is an abundant number, since it is smaller than the sum of its proper divisors (8722270934100).

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

4243434331140 is a wasteful number, since it uses less digits than its factorization.

4243434331140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172077781 (or 172077776 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 4243434331140 its reverse (411334343424), we get a palindrome (4654768674564).

The spelling of 4243434331140 in words is "four trillion, two hundred forty-three billion, four hundred thirty-four million, three hundred thirty-one thousand, one hundred forty".