4140345443 has 4 divisors (see below), whose sum is σ = 4458833568. Its totient is φ = 3821857320.

The previous prime is 4140345401. The next prime is 4140345463. The reversal of 4140345443 is 3445430414.

4140345443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3445430414 = 2 ⋅1722715207.

It is a cyclic number.

It is not a de Polignac number, because 4140345443 - 2¹⁰ = 4140344419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4140345463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159244043 + ... + 159244068.

It is an arithmetic number, because the mean of its divisors is an integer number (1114708392).

Almost surely, 2^4140345443 is an apocalyptic number.

4140345443 is a deficient number, since it is larger than the sum of its proper divisors (318488125).

4140345443 is a wasteful number, since it uses less digits than its factorization.

4140345443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318488124.

The product of its (nonzero) digits is 46080, while the sum is 32.

The square root of 4140345443 is about 64345.5161064079. The cubic root of 4140345443 is about 1605.7534326835.

Adding to 4140345443 its reverse (3445430414), we get a palindrome (7585775857).

The spelling of 4140345443 in words is "four billion, one hundred forty million, three hundred forty-five thousand, four hundred forty-three".