421810030 has 16 divisors (see below), whose sum is σ = 759954384. Its totient is φ = 168569280.

The previous prime is 421809991. The next prime is 421810033. The reversal of 421810030 is 30018124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421810033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7551 + ... + 30010.

It is an arithmetic number, because the mean of its divisors is an integer number (47497149).

Almost surely, 2^421810030 is an apocalyptic number.

421810030 is a deficient number, since it is larger than the sum of its proper divisors (338144354).

421810030 is a wasteful number, since it uses less digits than its factorization.

421810030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38691.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 421810030 is about 20538.0142662332. The cubic root of 421810030 is about 749.9614972827.

Adding to 421810030 its reverse (30018124), we get a palindrome (451828154).

The spelling of 421810030 in words is "four hundred twenty-one million, eight hundred ten thousand, thirty".