42535224 has 192 divisors, whose sum is σ = 134784000. Its totient is φ = 12026880.

The previous prime is 42535223. The next prime is 42535261. The reversal of 42535224 is 42253524.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42535223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 720907 + ... + 720965.

It is an arithmetic number, because the mean of its divisors is an integer number (702000).

Almost surely, 2^42535224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42535224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67392000).

42535224 is an abundant number, since it is smaller than the sum of its proper divisors (92248776).

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

42535224 is a wasteful number, since it uses less digits than its factorization.

42535224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 131 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 42535224 is about 6521.9034031485. The cubic root of 42535224 is about 349.0729863253.

Adding to 42535224 its reverse (42253524), we get a palindrome (84788748).

The spelling of 42535224 in words is "forty-two million, five hundred thirty-five thousand, two hundred twenty-four".