421414340 has 24 divisors (see below), whose sum is σ = 889425600. Its totient is φ = 167717088.

The previous prime is 421414339. The next prime is 421414351. The reversal of 421414340 is 43414124.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 48962 + ... + 56921.

It is an arithmetic number, because the mean of its divisors is an integer number (37059400).

Almost surely, 2^421414340 is an apocalyptic number.

It is an amenable number.

421414340 is an abundant number, since it is smaller than the sum of its proper divisors (468011260).

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

421414340 is a wasteful number, since it uses less digits than its factorization.

421414340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106091 (or 106089 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 421414340 is about 20528.3788936194. The cubic root of 421414340 is about 749.7269168758.

Adding to 421414340 its reverse (43414124), we get a palindrome (464828464).

The spelling of 421414340 in words is "four hundred twenty-one million, four hundred fourteen thousand, three hundred forty".