421340000 has 60 divisors (see below), whose sum is σ = 1036608804. Its totient is φ = 168528000.

The previous prime is 421339969. The next prime is 421340011. The reversal of 421340000 is 43124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9467 + ... + 30533.

Almost surely, 2^421340000 is an apocalyptic number.

421340000 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 421340000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518304402).

421340000 is an abundant number, since it is smaller than the sum of its proper divisors (615268804).

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

421340000 is an equidigital number, since it uses as much as digits as its factorization.

421340000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21097 (or 21074 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 421340000 is about 20526.5681495958. The cubic root of 421340000 is about 749.6828288518.

Adding to 421340000 its reverse (43124), we get a palindrome (421383124).

The spelling of 421340000 in words is "four hundred twenty-one million, three hundred forty thousand".