42164032 has 28 divisors (see below), whose sum is σ = 84242656. Its totient is φ = 20937600.

The previous prime is 42163981. The next prime is 42164039. The reversal of 42164032 is 23046124.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42163994 and 42164012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42164039) 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, 7483 + ... + 11845.

Almost surely, 2^42164032 is an apocalyptic number.

It is an amenable number.

42164032 is a deficient number, since it is larger than the sum of its proper divisors (42078624).

42164032 is a wasteful number, since it uses less digits than its factorization.

42164032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4526 (or 4516 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 42164032 is about 6493.3837095924. The cubic root of 42164032 is about 348.0546001439.

The spelling of 42164032 in words is "forty-two million, one hundred sixty-four thousand, thirty-two".