42506005342 has 16 divisors (see below), whose sum is σ = 64038154752. Its totient is φ = 21160114560.

The previous prime is 42506005331. The next prime is 42506005349. The reversal of 42506005342 is 24350060524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42506005349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496867 + ... + 576097.

It is an arithmetic number, because the mean of its divisors is an integer number (4002384672).

Almost surely, 2^42506005342 is an apocalyptic number.

42506005342 is a deficient number, since it is larger than the sum of its proper divisors (21532149410).

42506005342 is a wasteful number, since it uses less digits than its factorization.

42506005342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80403.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 42506005342 its reverse (24350060524), we get a palindrome (66856065866).

The spelling of 42506005342 in words is "forty-two billion, five hundred six million, five thousand, three hundred forty-two".