421340403102 has 8 divisors (see below), whose sum is σ = 842680806216. Its totient is φ = 140446801032.

The previous prime is 421340403097. The next prime is 421340403109. The reversal of 421340403102 is 201304043124.

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

421340403102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421340403109) 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 in 3 ways as a sum of consecutive naturals, for example, 35111700253 + ... + 35111700264.

It is an arithmetic number, because the mean of its divisors is an integer number (105335100777).

Almost surely, 2^421340403102 is an apocalyptic number.

421340403102 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.

421340403102 is a wasteful number, since it uses less digits than its factorization.

421340403102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70223400522.

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

Adding to 421340403102 its reverse (201304043124), we get a palindrome (622644446226).

The spelling of 421340403102 in words is "four hundred twenty-one billion, three hundred forty million, four hundred three thousand, one hundred two".