42255124242 has 8 divisors (see below), whose sum is σ = 84510248496. Its totient is φ = 14085041412.

The previous prime is 42255124193. The next prime is 42255124243. The reversal of 42255124242 is 24242155224.

It is a sphenic number, since it is the product of 3 distinct primes.

42255124242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (42255124243) 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, 3521260348 + ... + 3521260359.

It is an arithmetic number, because the mean of its divisors is an integer number (10563781062).

Almost surely, 2^42255124242 is an apocalyptic number.

42255124242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42255124242 is a wasteful number, since it uses less digits than its factorization.

42255124242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7042520712.

The product of its digits is 51200, while the sum is 33.

Adding to 42255124242 its reverse (24242155224), we get a palindrome (66497279466).

The spelling of 42255124242 in words is "forty-two billion, two hundred fifty-five million, one hundred twenty-four thousand, two hundred forty-two".