42235524 has 36 divisors (see below), whose sum is σ = 106966860. Its totient is φ = 14051520.

The previous prime is 42235517. The next prime is 42235553. The reversal of 42235524 is 42553224.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6594624 + 35640900 = 2568^2 + 5970^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28842 + ... + 30270.

Almost surely, 2^42235524 is an apocalyptic number.

It is an amenable number.

42235524 is an abundant number, since it is smaller than the sum of its proper divisors (64731336).

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

42235524 is a wasteful number, since it uses less digits than its factorization.

42235524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260 (or 2255 counting only the distinct ones).

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

The square root of 42235524 is about 6498.8863661400. The cubic root of 42235524 is about 348.2512058593.

Adding to 42235524 its reverse (42553224), we get a palindrome (84788748).

The spelling of 42235524 in words is "forty-two million, two hundred thirty-five thousand, five hundred twenty-four".