421433243020000 has 60 divisors (see below), whose sum is σ = 1036788992864856. Its totient is φ = 168573297200000.

The previous prime is 421433243019947. The next prime is 421433243020039. The reversal of 421433243020000 is 20342334124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10535811076 + ... + 10535851075.

Almost surely, 2^{421433243020000} is an apocalyptic number.

421433243020000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421433243020000 is an abundant number, since it is smaller than the sum of its proper divisors (615355749844856).

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

421433243020000 is an equidigital number, since it uses as much as digits as its factorization.

421433243020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21071662181 (or 21071662158 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 421433243020000 its reverse (20342334124), we get a palindrome (421453585354124).

The spelling of 421433243020000 in words is "four hundred twenty-one trillion, four hundred thirty-three billion, two hundred forty-three million, twenty thousand".