253503240422 has 4 divisors (see below), whose sum is σ = 380254860636. Its totient is φ = 126751620210.

The previous prime is 253503240379. The next prime is 253503240433. The reversal of 253503240422 is 224042305352.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63375810104 + ... + 63375810107.

It is an arithmetic number, because the mean of its divisors is an integer number (95063715159).

Almost surely, 2^253503240422 is an apocalyptic number.

253503240422 is a deficient number, since it is larger than the sum of its proper divisors (126751620214).

253503240422 is a wasteful number, since it uses less digits than its factorization.

253503240422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126751620213.

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 253503240422 its reverse (224042305352), we get a palindrome (477545545774).

The spelling of 253503240422 in words is "two hundred fifty-three billion, five hundred three million, two hundred forty thousand, four hundred twenty-two".