42534223455 has 16 divisors (see below), whose sum is σ = 68319568224. Its totient is φ = 22596648960.

The previous prime is 42534223451. The next prime is 42534223471. The reversal of 42534223455 is 55432243524.

It is not a de Polignac number, because 42534223455 - 2² = 42534223451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42534223451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5512906 + ... + 5520615.

It is an arithmetic number, because the mean of its divisors is an integer number (4269973014).

Almost surely, 2^42534223455 is an apocalyptic number.

42534223455 is a deficient number, since it is larger than the sum of its proper divisors (25785344769).

42534223455 is a wasteful number, since it uses less digits than its factorization.

42534223455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11033786.

The product of its digits is 576000, while the sum is 39.

Adding to 42534223455 its reverse (55432243524), we get a palindrome (97966466979).

The spelling of 42534223455 in words is "forty-two billion, five hundred thirty-four million, two hundred twenty-three thousand, four hundred fifty-five".