42404206242 has 32 divisors (see below), whose sum is σ = 86215356864. Its totient is φ = 13900334400.

The previous prime is 42404206157. The next prime is 42404206279. The reversal of 42404206242 is 24260240424.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2974692 + ... + 2988912.

It is an arithmetic number, because the mean of its divisors is an integer number (2694229902).

Almost surely, 2^42404206242 is an apocalyptic number.

42404206242 is an abundant number, since it is smaller than the sum of its proper divisors (43811150622).

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

42404206242 is a wasteful number, since it uses less digits than its factorization.

42404206242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22434.

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

Adding to 42404206242 its reverse (24260240424), we get a palindrome (66664446666).

The spelling of 42404206242 in words is "forty-two billion, four hundred four million, two hundred six thousand, two hundred forty-two".