421340533055022 has 64 divisors (see below), whose sum is σ = 983392007616000. Its totient is φ = 120300497956800.

The previous prime is 421340533054997. The next prime is 421340533055033. The reversal of 421340533055022 is 220550335043124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67159479 + ... + 73164722.

It is an arithmetic number, because the mean of its divisors is an integer number (15365500119000).

Almost surely, 2^{421340533055022} is an apocalyptic number.

421340533055022 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

421340533055022 is an abundant number, since it is smaller than the sum of its proper divisors (562051474560978).

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

421340533055022 is a wasteful number, since it uses less digits than its factorization.

421340533055022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140325686 (or 140325672 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 39.

Adding to 421340533055022 its reverse (220550335043124), we get a palindrome (641890868098146).

The spelling of 421340533055022 in words is "four hundred twenty-one trillion, three hundred forty billion, five hundred thirty-three million, fifty-five thousand, twenty-two".