420344112 has 40 divisors (see below), whose sum is σ = 1095864880. Its totient is φ = 138827520.

The previous prime is 420344059. The next prime is 420344117. The reversal of 420344112 is 211443024.

It is not an unprimeable number, because it can be changed into a prime (420344117) 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 7 ways as a sum of consecutive naturals, for example, 34939 + ... + 45402.

It is an arithmetic number, because the mean of its divisors is an integer number (27396622).

Almost surely, 2^420344112 is an apocalyptic number.

It is an amenable number.

420344112 is an abundant number, since it is smaller than the sum of its proper divisors (675520768).

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

420344112 is a wasteful number, since it uses less digits than its factorization.

420344112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80461 (or 80455 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 420344112 is about 20502.2952861381. The cubic root of 420344112 is about 749.0917075616.

Adding to 420344112 its reverse (211443024), we get a palindrome (631787136).

The spelling of 420344112 in words is "four hundred twenty million, three hundred forty-four thousand, one hundred twelve".