42355423242 has 48 divisors (see below), whose sum is σ = 101380106880. Its totient is φ = 12672504000.

The previous prime is 42355423213. The next prime is 42355423259. The reversal of 42355423242 is 24232455324.

42355423242 is a `hidden beast` number, since 42 + 3 + 5 + 542 + 32 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 42355423197 and 42355423206.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1338259 + ... + 1369542.

It is an arithmetic number, because the mean of its divisors is an integer number (2112085560).

Almost surely, 2^42355423242 is an apocalyptic number.

42355423242 is an abundant number, since it is smaller than the sum of its proper divisors (59024683638).

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

42355423242 is a wasteful number, since it uses less digits than its factorization.

42355423242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2707899 (or 2707896 counting only the distinct ones).

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

Adding to 42355423242 its reverse (24232455324), we get a palindrome (66587878566).

The spelling of 42355423242 in words is "forty-two billion, three hundred fifty-five million, four hundred twenty-three thousand, two hundred forty-two".