42169896 has 80 divisors (see below), whose sum is σ = 120225600. Its totient is φ = 13805856.

The previous prime is 42169859. The next prime is 42169931. The reversal of 42169896 is 69896124.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

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 19 ways as a sum of consecutive naturals, for example, 37681 + ... + 38783.

It is an arithmetic number, because the mean of its divisors is an integer number (1502820).

Almost surely, 2^42169896 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 42169896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60112800).

42169896 is an abundant number, since it is smaller than the sum of its proper divisors (78055704).

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

42169896 is a wasteful number, since it uses less digits than its factorization.

42169896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180 (or 1167 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 42169896 is about 6493.8352304320. The cubic root of 42169896 is about 348.0707347296.

The spelling of 42169896 in words is "forty-two million, one hundred sixty-nine thousand, eight hundred ninety-six".