40321212234 has 8 divisors (see below), whose sum is σ = 80642424480. Its totient is φ = 13440404076.

The previous prime is 40321212199. The next prime is 40321212247. The reversal of 40321212234 is 43221212304.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

40321212234 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3360101014 + ... + 3360101025.

It is an arithmetic number, because the mean of its divisors is an integer number (10080303060).

Almost surely, 2^40321212234 is an apocalyptic number.

40321212234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40321212234 is a wasteful number, since it uses less digits than its factorization.

40321212234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6720202044.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 40321212234 its reverse (43221212304), we get a palindrome (83542424538).

The spelling of 40321212234 in words is "forty billion, three hundred twenty-one million, two hundred twelve thousand, two hundred thirty-four".