40421340330234 has 32 divisors (see below), whose sum is σ = 80906946360576. Its totient is φ = 13463070004800.

The previous prime is 40421340330233. The next prime is 40421340330331. The reversal of 40421340330234 is 43203304312404.

It is a happy number.

40421340330234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40421340330195 and 40421340330204.

It is not an unprimeable number, because it can be changed into a prime (40421340330233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222056784 + ... + 222238740.

It is an arithmetic number, because the mean of its divisors is an integer number (2528342073768).

Almost surely, 2^{40421340330234} is an apocalyptic number.

40421340330234 is an abundant number, since it is smaller than the sum of its proper divisors (40485606030342).

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

40421340330234 is a wasteful number, since it uses less digits than its factorization.

40421340330234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211190.

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 40421340330234 its reverse (43203304312404), we get a palindrome (83624644642638).

The spelling of 40421340330234 in words is "forty trillion, four hundred twenty-one billion, three hundred forty million, three hundred thirty thousand, two hundred thirty-four".