42544320255 has 32 divisors (see below), whose sum is σ = 75642947520. Its totient is φ = 22687724160.

The previous prime is 42544320239. The next prime is 42544320263. The reversal of 42544320255 is 55202344524.

42544320255 is a `hidden beast` number, since 4 + 2 + 5 + 443 + 202 + 5 + 5 = 666.

It is not a de Polignac number, because 42544320255 - 2⁴ = 42544320239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2081385 + ... + 2101725.

It is an arithmetic number, because the mean of its divisors is an integer number (2363842110).

Almost surely, 2^42544320255 is an apocalyptic number.

42544320255 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42544320255 is a deficient number, since it is larger than the sum of its proper divisors (33098627265).

42544320255 is a wasteful number, since it uses less digits than its factorization.

42544320255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35848 (or 35842 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

Adding to 42544320255 its reverse (55202344524), we get a palindrome (97746664779).

The spelling of 42544320255 in words is "forty-two billion, five hundred forty-four million, three hundred twenty thousand, two hundred fifty-five".