421144104 has 32 divisors (see below), whose sum is σ = 1053936000. Its totient is φ = 140237952.

The previous prime is 421144001. The next prime is 421144109. The reversal of 421144104 is 401441124.

It is not an unprimeable number, because it can be changed into a prime (421144109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16492 + ... + 33380.

It is an arithmetic number, because the mean of its divisors is an integer number (32935500).

Almost surely, 2^421144104 is an apocalyptic number.

It is an amenable number.

421144104 is an abundant number, since it is smaller than the sum of its proper divisors (632791896).

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

421144104 is a wasteful number, since it uses less digits than its factorization.

421144104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17937 (or 17933 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 421144104 is about 20521.7958278509. The cubic root of 421144104 is about 749.5666260754.

Adding to 421144104 its reverse (401441124), we get a palindrome (822585228).

The spelling of 421144104 in words is "four hundred twenty-one million, one hundred forty-four thousand, one hundred four".