42042196 has 24 divisors (see below), whose sum is σ = 85803200. Its totient is φ = 18017496.

The previous prime is 42042191. The next prime is 42042211. The reversal of 42042196 is 69124024.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42042191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13950 + ... + 16693.

Almost surely, 2^42042196 is an apocalyptic number.

It is an amenable number.

42042196 is an abundant number, since it is smaller than the sum of its proper divisors (43761004).

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

42042196 is a wasteful number, since it uses less digits than its factorization.

42042196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30668 (or 30652 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 42042196 is about 6483.9953732248. The cubic root of 42042196 is about 347.7190337966.

It can be divided in two parts, 4204 and 2196, that added together give a square (6400 = 80²).

The spelling of 42042196 in words is "forty-two million, forty-two thousand, one hundred ninety-six".