42194488 has 32 divisors (see below), whose sum is σ = 92268000. Its totient is φ = 18082176.

The previous prime is 42194483. The next prime is 42194491. The reversal of 42194488 is 88449124.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42194488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42194483) 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, 4945 + ... + 10432.

It is an arithmetic number, because the mean of its divisors is an integer number (2883375).

Almost surely, 2^42194488 is an apocalyptic number.

It is an amenable number.

42194488 is an abundant number, since it is smaller than the sum of its proper divisors (50073512).

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

42194488 is a wasteful number, since it uses less digits than its factorization.

42194488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15404 (or 15386 counting only the distinct ones).

The product of its digits is 73728, while the sum is 40.

The square root of 42194488 is about 6495.7284425998. The cubic root of 42194488 is about 348.1383824511.

The spelling of 42194488 in words is "forty-two million, one hundred ninety-four thousand, four hundred eighty-eight".