5402442243 has 24 divisors (see below), whose sum is σ = 7922358864. Its totient is φ = 3272251840.

The previous prime is 5402442229. The next prime is 5402442271. The reversal of 5402442243 is 3422442045.

It is not a de Polignac number, because 5402442243 - 2¹⁸ = 5402180099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5402442243.

It is not an unprimeable number, because it can be changed into a prime (5402442343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 808705 + ... + 815357.

It is an arithmetic number, because the mean of its divisors is an integer number (330098286).

Almost surely, 2^5402442243 is an apocalyptic number.

5402442243 is a deficient number, since it is larger than the sum of its proper divisors (2519916621).

5402442243 is a wasteful number, since it uses less digits than its factorization.

5402442243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8915 (or 8904 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

The square root of 5402442243 is about 73501.3077638759. The cubic root of 5402442243 is about 1754.6750905408.

Adding to 5402442243 its reverse (3422442045), we get a palindrome (8824884288).

The spelling of 5402442243 in words is "five billion, four hundred two million, four hundred forty-two thousand, two hundred forty-three".