421715143026424 has 80 divisors (see below), whose sum is σ = 901691143151400. Its totient is φ = 184393663878528.

The previous prime is 421715143026347. The next prime is 421715143026449. The reversal of 421715143026424 is 424620341517124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 44229187 + ... + 52911730.

Almost surely, 2^{421715143026424} is an apocalyptic number.

It is an amenable number.

421715143026424 is an abundant number, since it is smaller than the sum of its proper divisors (479976000124976).

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

421715143026424 is an equidigital number, since it uses as much as digits as its factorization.

421715143026424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97140994 (or 97140951 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 46.

The spelling of 421715143026424 in words is "four hundred twenty-one trillion, seven hundred fifteen billion, one hundred forty-three million, twenty-six thousand, four hundred twenty-four".