421203268500 has 192 divisors, whose sum is σ = 1402946248704. Its totient is φ = 96193872000.

The previous prime is 421203268459. The next prime is 421203268511. The reversal of 421203268500 is 5862302124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12909207 + ... + 12941793.

It is an arithmetic number, because the mean of its divisors is an integer number (7307011712).

Almost surely, 2^421203268500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421203268500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (701473124352).

421203268500 is an abundant number, since it is smaller than the sum of its proper divisors (981742980204).

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

421203268500 is a wasteful number, since it uses less digits than its factorization.

421203268500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33847 (or 33835 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 421203268500 in words is "four hundred twenty-one billion, two hundred three million, two hundred sixty-eight thousand, five hundred".