42340224 has 32 divisors (see below), whose sum is σ = 112467240. Its totient is φ = 14113280.

The previous prime is 42340223. The next prime is 42340241. The reversal of 42340224 is 42204324.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 42340224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42340223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54747 + ... + 55514.

Almost surely, 2^42340224 is an apocalyptic number.

It is an amenable number.

42340224 is an abundant number, since it is smaller than the sum of its proper divisors (70127016).

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

42340224 is a wasteful number, since it uses less digits than its factorization.

42340224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110278 (or 110266 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 42340224 is about 6506.9366064224. The cubic root of 42340224 is about 348.5387348561.

Adding to 42340224 its reverse (42204324), we get a palindrome (84544548).

The spelling of 42340224 in words is "forty-two million, three hundred forty thousand, two hundred twenty-four".