421301432320 has 52 divisors (see below), whose sum is σ = 1011000058560. Its totient is φ = 168520564736.

The previous prime is 421301432309. The next prime is 421301432329. The reversal of 421301432320 is 23234103124.

It is not an unprimeable number, because it can be changed into a prime (421301432329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10265200 + ... + 10306159.

Almost surely, 2^421301432320 is an apocalyptic number.

421301432320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421301432320 is an abundant number, since it is smaller than the sum of its proper divisors (589698626240).

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

421301432320 is an equidigital number, since it uses as much as digits as its factorization.

421301432320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20571388 (or 20571366 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 421301432320 its reverse (23234103124), we get a palindrome (444535535444).

The spelling of 421301432320 in words is "four hundred twenty-one billion, three hundred one million, four hundred thirty-two thousand, three hundred twenty".