42235244253 has 24 divisors (see below), whose sum is σ = 62353833048. Its totient is φ = 27538323072.

The previous prime is 42235244251. The next prime is 42235244273. The reversal of 42235244253 is 35244253224.

42235244253 is a `hidden beast` number, since 4 + 223 + 5 + 2 + 4 + 425 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 660849849 + 41574394404 = 25707^2 + 203898^2 .

It is not a de Polignac number, because 42235244253 - 2¹ = 42235244251 is a prime.

It is a super-2 number, since 2×42235244253² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42235244251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11551 + ... + 290867.

It is an arithmetic number, because the mean of its divisors is an integer number (2598076377).

Almost surely, 2^42235244253 is an apocalyptic number.

It is an amenable number.

42235244253 is a deficient number, since it is larger than the sum of its proper divisors (20118588795).

42235244253 is a wasteful number, since it uses less digits than its factorization.

42235244253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279693 (or 279690 counting only the distinct ones).

The product of its digits is 230400, while the sum is 36.

Adding to 42235244253 its reverse (35244253224), we get a palindrome (77479497477).

The spelling of 42235244253 in words is "forty-two billion, two hundred thirty-five million, two hundred forty-four thousand, two hundred fifty-three".