42404232 has 32 divisors (see below), whose sum is σ = 114166080. Its totient is φ = 13047360.

The previous prime is 42404231. The next prime is 42404251. The reversal of 42404232 is 23240424.

It is a junction number, because it is equal to n+sod(n) for n = 42404199 and 42404208.

It is not an unprimeable number, because it can be changed into a prime (42404231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67644 + ... + 68267.

It is an arithmetic number, because the mean of its divisors is an integer number (3567690).

Almost surely, 2^42404232 is an apocalyptic number.

It is an amenable number.

42404232 is an abundant number, since it is smaller than the sum of its proper divisors (71761848).

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

42404232 is a wasteful number, since it uses less digits than its factorization.

42404232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135933 (or 135929 counting only the distinct ones).

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

The square root of 42404232 is about 6511.8531924484. The cubic root of 42404232 is about 348.7142813587.

Adding to 42404232 its reverse (23240424), we get a palindrome (65644656).

The spelling of 42404232 in words is "forty-two million, four hundred four thousand, two hundred thirty-two".