42255402433201 has 4 divisors (see below), whose sum is σ = 42399618824052. Its totient is φ = 42111186042352.

The previous prime is 42255402433193. The next prime is 42255402433207. The reversal of 42255402433201 is 10233420455224.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20127560640625 + 22127841792576 = 4486375^2 + 4704024^2 .

It is a cyclic number.

It is not a de Polignac number, because 42255402433201 - 2³ = 42255402433193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42255402433207) 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, 72108194986 + ... + 72108195571.

It is an arithmetic number, because the mean of its divisors is an integer number (10599904706013).

Almost surely, 2^{42255402433201} is an apocalyptic number.

It is an amenable number.

42255402433201 is a deficient number, since it is larger than the sum of its proper divisors (144216390851).

42255402433201 is a wasteful number, since it uses less digits than its factorization.

42255402433201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144216390850.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 42255402433201 its reverse (10233420455224), we get a palindrome (52488822888425).

The spelling of 42255402433201 in words is "forty-two trillion, two hundred fifty-five billion, four hundred two million, four hundred thirty-three thousand, two hundred one".