254040324443 has 4 divisors (see below), whose sum is σ = 254432968560. Its totient is φ = 253647680328.

The previous prime is 254040324427. The next prime is 254040324479. The reversal of 254040324443 is 344423040452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 254040324443 - 2⁴ = 254040324427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254040324493) 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, 196321088 + ... + 196322381.

It is an arithmetic number, because the mean of its divisors is an integer number (63608242140).

Almost surely, 2^254040324443 is an apocalyptic number.

254040324443 is a deficient number, since it is larger than the sum of its proper divisors (392644117).

254040324443 is an equidigital number, since it uses as much as digits as its factorization.

254040324443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392644116.

The product of its (nonzero) digits is 184320, while the sum is 35.

Adding to 254040324443 its reverse (344423040452), we get a palindrome (598463364895).

The spelling of 254040324443 in words is "two hundred fifty-four billion, forty million, three hundred twenty-four thousand, four hundred forty-three".