421030052300 has 144 divisors (see below), whose sum is σ = 1074118585344. Its totient is φ = 141225120000.

The previous prime is 421030052297. The next prime is 421030052353. The reversal of 421030052300 is 3250030124.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21883685 + ... + 21902915.

Almost surely, 2^421030052300 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 421030052300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (537059292672).

421030052300 is an abundant number, since it is smaller than the sum of its proper divisors (653088533044).

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

421030052300 is a wasteful number, since it uses less digits than its factorization.

421030052300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20800 (or 20793 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 421030052300 its reverse (3250030124), we get a palindrome (424280082424).

The spelling of 421030052300 in words is "four hundred twenty-one billion, thirty million, fifty-two thousand, three hundred".