42415432 has 16 divisors (see below), whose sum is σ = 81221760. Its totient is φ = 20756304.

The previous prime is 42415397. The next prime is 42415441. The reversal of 42415432 is 23451424.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42415397 and 42415406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56028 + ... + 56779.

It is an arithmetic number, because the mean of its divisors is an integer number (5076360).

Almost surely, 2^42415432 is an apocalyptic number.

It is an amenable number.

42415432 is a deficient number, since it is larger than the sum of its proper divisors (38806328).

42415432 is a wasteful number, since it uses less digits than its factorization.

42415432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112860 (or 112856 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 42415432 is about 6512.7131059183. The cubic root of 42415432 is about 348.7449799939.

Adding to 42415432 its reverse (23451424), we get a palindrome (65866856).

The spelling of 42415432 in words is "forty-two million, four hundred fifteen thousand, four hundred thirty-two".