42435234 has 24 divisors (see below), whose sum is σ = 92431872. Its totient is φ = 14069880.

The previous prime is 42435233. The next prime is 42435241. The reversal of 42435234 is 43253424.

42435234 is a `hidden beast` number, since 424 + 3 + 5 + 234 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42435198 and 42435207.

It is not an unprimeable number, because it can be changed into a prime (42435233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2734 + ... + 9609.

It is an arithmetic number, because the mean of its divisors is an integer number (3851328).

Almost surely, 2^42435234 is an apocalyptic number.

42435234 is an abundant number, since it is smaller than the sum of its proper divisors (49996638).

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

42435234 is a wasteful number, since it uses less digits than its factorization.

42435234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12542 (or 12539 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 42435234 is about 6514.2331858784. The cubic root of 42435234 is about 348.7992430563.

Adding to 42435234 its reverse (43253424), we get a palindrome (85688658).

The spelling of 42435234 in words is "forty-two million, four hundred thirty-five thousand, two hundred thirty-four".