42431202340 has 24 divisors (see below), whose sum is σ = 89695634112. Its totient is φ = 16860079200.

The previous prime is 42431202323. The next prime is 42431202367. The reversal of 42431202340 is 4320213424.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7022014 + ... + 7028053.

It is an arithmetic number, because the mean of its divisors is an integer number (3737318088).

Almost surely, 2^42431202340 is an apocalyptic number.

It is an amenable number.

42431202340 is an abundant number, since it is smaller than the sum of its proper divisors (47264431772).

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

42431202340 is a wasteful number, since it uses less digits than its factorization.

42431202340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14050227 (or 14050225 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 42431202340 its reverse (4320213424), we get a palindrome (46751415764).

The spelling of 42431202340 in words is "forty-two billion, four hundred thirty-one million, two hundred two thousand, three hundred forty".