420041342342 has 4 divisors (see below), whose sum is σ = 630062013516. Its totient is φ = 210020671170.

The previous prime is 420041342341. The next prime is 420041342353. The reversal of 420041342342 is 243243140024.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420041342341) 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 as a sum of consecutive naturals, namely, 105010335584 + ... + 105010335587.

It is an arithmetic number, because the mean of its divisors is an integer number (157515503379).

Almost surely, 2^420041342342 is an apocalyptic number.

420041342342 is a deficient number, since it is larger than the sum of its proper divisors (210020671174).

420041342342 is a wasteful number, since it uses less digits than its factorization.

420041342342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210020671173.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 420041342342 its reverse (243243140024), we get a palindrome (663284482366).

The spelling of 420041342342 in words is "four hundred twenty billion, forty-one million, three hundred forty-two thousand, three hundred forty-two".