422153444243504 has 20 divisors (see below), whose sum is σ = 818490694582080. Its totient is φ = 210930039190080.

The previous prime is 422153444243483. The next prime is 422153444243543. The reversal of 422153444243504 is 405342444351224.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9167659487 + ... + 9167705534.

It is an arithmetic number, because the mean of its divisors is an integer number (40924534729104).

Almost surely, 2^{422153444243504} is an apocalyptic number.

It is an amenable number.

422153444243504 is a deficient number, since it is larger than the sum of its proper divisors (396337250338576).

422153444243504 is a wasteful number, since it uses less digits than its factorization.

422153444243504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18335366468 (or 18335366462 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 47.

Adding to 422153444243504 its reverse (405342444351224), we get a palindrome (827495888594728).

The spelling of 422153444243504 in words is "four hundred twenty-two trillion, one hundred fifty-three billion, four hundred forty-four million, two hundred forty-three thousand, five hundred four".