42169792 has 112 divisors (see below), whose sum is σ = 104241600. Its totient is φ = 16859136.

The previous prime is 42169789. The next prime is 42169793. The reversal of 42169792 is 29796124.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42169793) 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 15 ways as a sum of consecutive naturals, for example, 373128 + ... + 373240.

Almost surely, 2^42169792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42169792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52120800).

42169792 is an abundant number, since it is smaller than the sum of its proper divisors (62071808).

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

42169792 is a wasteful number, since it uses less digits than its factorization.

42169792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 139 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The square root of 42169792 is about 6493.8272228325. The cubic root of 42169792 is about 348.0704485904.

The spelling of 42169792 in words is "forty-two million, one hundred sixty-nine thousand, seven hundred ninety-two".