4540442443 has 12 divisors (see below), whose sum is σ = 4752658960. Its totient is φ = 4337338896.

The previous prime is 4540442441. The next prime is 4540442461. The reversal of 4540442443 is 3442440454.

It is not a de Polignac number, because 4540442443 - 2¹ = 4540442441 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4540442399 and 4540442408.

It is not an unprimeable number, because it can be changed into a prime (4540442441) 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, 430153 + ... + 440581.

Almost surely, 2^4540442443 is an apocalyptic number.

4540442443 is a deficient number, since it is larger than the sum of its proper divisors (212216517).

4540442443 is a wasteful number, since it uses less digits than its factorization.

4540442443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11298 (or 11275 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 34.

The square root of 4540442443 is about 67382.8052473329. The cubic root of 4540442443 is about 1655.8947335350.

Adding to 4540442443 its reverse (3442440454), we get a palindrome (7982882897).

The spelling of 4540442443 in words is "four billion, five hundred forty million, four hundred forty-two thousand, four hundred forty-three".