42424912 has 20 divisors (see below), whose sum is σ = 85033620. Its totient is φ = 20480768.

The previous prime is 42424909. The next prime is 42424913. The reversal of 42424912 is 21942424.

It can be written as a sum of positive squares in 2 ways, for example, as 12787776 + 29637136 = 3576^2 + 5444^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42424913) 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 3 ways as a sum of consecutive naturals, for example, 45253 + ... + 46180.

It is an arithmetic number, because the mean of its divisors is an integer number (4251681).

Almost surely, 2^42424912 is an apocalyptic number.

It is an amenable number.

42424912 is an abundant number, since it is smaller than the sum of its proper divisors (42608708).

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

42424912 is a wasteful number, since it uses less digits than its factorization.

42424912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91470 (or 91464 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 42424912 is about 6513.4408725343. The cubic root of 42424912 is about 348.7709599732.

The spelling of 42424912 in words is "forty-two million, four hundred twenty-four thousand, nine hundred twelve".