42342112402 has 16 divisors (see below), whose sum is σ = 63707805720. Its totient is φ = 21106231552.

The previous prime is 42342112391. The next prime is 42342112403. The reversal of 42342112402 is 20421124324.

It can be written as a sum of positive squares in 4 ways, for example, as 35434674081 + 6907438321 = 188241^2 + 83111^2 .

It is not an unprimeable number, because it can be changed into a prime (42342112403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1709418 + ... + 1734010.

Almost surely, 2^42342112402 is an apocalyptic number.

42342112402 is a deficient number, since it is larger than the sum of its proper divisors (21365693318).

42342112402 is a wasteful number, since it uses less digits than its factorization.

42342112402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27197.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 42342112402 its reverse (20421124324), we get a palindrome (62763236726).

The spelling of 42342112402 in words is "forty-two billion, three hundred forty-two million, one hundred twelve thousand, four hundred two".