421801330280 has 128 divisors (see below), whose sum is σ = 1042233454080. Its totient is φ = 152362763520.

The previous prime is 421801330271. The next prime is 421801330319. The reversal of 421801330280 is 82033108124.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46639439 + ... + 46648481.

It is an arithmetic number, because the mean of its divisors is an integer number (8142448860).

Almost surely, 2^421801330280 is an apocalyptic number.

421801330280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421801330280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (521116727040).

421801330280 is an abundant number, since it is smaller than the sum of its proper divisors (620432123800).

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

421801330280 is a wasteful number, since it uses less digits than its factorization.

421801330280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9759 (or 9755 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The spelling of 421801330280 in words is "four hundred twenty-one billion, eight hundred one million, three hundred thirty thousand, two hundred eighty".