42144424055 has 8 divisors (see below), whose sum is σ = 51749432592. Its totient is φ = 32931456768.

The previous prime is 42144424051. The next prime is 42144424057. The reversal of 42144424055 is 55042444124.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42144424055 - 2² = 42144424051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42144424051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98010074 + ... + 98010503.

It is an arithmetic number, because the mean of its divisors is an integer number (6468679074).

Almost surely, 2^42144424055 is an apocalyptic number.

42144424055 is a deficient number, since it is larger than the sum of its proper divisors (9605008537).

42144424055 is a wasteful number, since it uses less digits than its factorization.

42144424055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196020625.

The product of its (nonzero) digits is 102400, while the sum is 35.

Adding to 42144424055 its reverse (55042444124), we get a palindrome (97186868179).

The spelling of 42144424055 in words is "forty-two billion, one hundred forty-four million, four hundred twenty-four thousand, fifty-five".