42243001242 has 32 divisors (see below), whose sum is σ = 96336983232. Its totient is φ = 12233266944.

The previous prime is 42243001219. The next prime is 42243001247. The reversal of 42243001242 is 24210034224.

42243001242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42243001242² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42243001247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15927408 + ... + 15930059.

It is an arithmetic number, because the mean of its divisors is an integer number (3010530726).

Almost surely, 2^42243001242 is an apocalyptic number.

42243001242 is an abundant number, since it is smaller than the sum of its proper divisors (54093981990).

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

42243001242 is a wasteful number, since it uses less digits than its factorization.

42243001242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31857502.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 42243001242 its reverse (24210034224), we get a palindrome (66453035466).

The spelling of 42243001242 in words is "forty-two billion, two hundred forty-three million, one thousand, two hundred forty-two".