42051832 has 16 divisors (see below), whose sum is σ = 80978760. Its totient is φ = 20457504.

The previous prime is 42051803. The next prime is 42051833. The reversal of 42051832 is 23815024.

It is a junction number, because it is equal to n+sod(n) for n = 42051797 and 42051806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42051833) by changing a digit.

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, 70738 + ... + 71329.

Almost surely, 2^42051832 is an apocalyptic number.

It is an amenable number.

42051832 is a deficient number, since it is larger than the sum of its proper divisors (38926928).

42051832 is a wasteful number, since it uses less digits than its factorization.

42051832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142110 (or 142106 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 42051832 is about 6484.7383910224. The cubic root of 42051832 is about 347.7455973049.

Adding to 42051832 its reverse (23815024), we get a palindrome (65866856).

The spelling of 42051832 in words is "forty-two million, fifty-one thousand, eight hundred thirty-two".