42340211434340 has 24 divisors (see below), whose sum is σ = 88926612711552. Its totient is φ = 16933766726240.

The previous prime is 42340211434327. The next prime is 42340211434349. The reversal of 42340211434340 is 4343411204324.

It is a self number, because there is not a number n which added to its sum of digits gives 42340211434340.

It is not an unprimeable number, because it can be changed into a prime (42340211434349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144715676 + ... + 145007955.

It is an arithmetic number, because the mean of its divisors is an integer number (3705275529648).

Almost surely, 2^{42340211434340} is an apocalyptic number.

It is an amenable number.

42340211434340 is an abundant number, since it is smaller than the sum of its proper divisors (46586401277212).

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

42340211434340 is a wasteful number, since it uses less digits than its factorization.

42340211434340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289730947 (or 289730945 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 42340211434340 its reverse (4343411204324), we get a palindrome (46683622638664).

The spelling of 42340211434340 in words is "forty-two trillion, three hundred forty billion, two hundred eleven million, four hundred thirty-four thousand, three hundred forty".