42340365342 has 144 divisors (see below), whose sum is σ = 109751393232. Its totient is φ = 11658501120.

The previous prime is 42340365341. The next prime is 42340365367. The reversal of 42340365342 is 24356304324.

It is a junction number, because it is equal to n+sod(n) for n = 42340365297 and 42340365306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42340365341) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2823328 + ... + 2838284.

It is an arithmetic number, because the mean of its divisors is an integer number (762162453).

Almost surely, 2^42340365342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42340365342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54875696616).

42340365342 is an abundant number, since it is smaller than the sum of its proper divisors (67411027890).

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

42340365342 is a wasteful number, since it uses less digits than its factorization.

42340365342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15051 (or 15019 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 36.

Adding to 42340365342 its reverse (24356304324), we get a palindrome (66696669666).

The spelling of 42340365342 in words is "forty-two billion, three hundred forty million, three hundred sixty-five thousand, three hundred forty-two".