42242124243 has 32 divisors (see below), whose sum is σ = 64771200000. Its totient is φ = 24218503200.

The previous prime is 42242124227. The next prime is 42242124257. The reversal of 42242124243 is 34242124224.

It is a happy number.

It is not a de Polignac number, because 42242124243 - 2⁴ = 42242124227 is a prime.

It is a super-2 number, since 2×42242124243² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42242124243.

It is not an unprimeable number, because it can be changed into a prime (42242124283) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 384508 + ... + 482006.

It is an arithmetic number, because the mean of its divisors is an integer number (2024100000).

Almost surely, 2^42242124243 is an apocalyptic number.

42242124243 is a deficient number, since it is larger than the sum of its proper divisors (22529075757).

42242124243 is a wasteful number, since it uses less digits than its factorization.

42242124243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98223.

The product of its digits is 24576, while the sum is 30.

Adding to 42242124243 its reverse (34242124224), we get a palindrome (76484248467).

The spelling of 42242124243 in words is "forty-two billion, two hundred forty-two million, one hundred twenty-four thousand, two hundred forty-three".