42191376 has 20 divisors (see below), whose sum is σ = 108994512. Its totient is φ = 14063776.

The previous prime is 42191371. The next prime is 42191447. The reversal of 42191376 is 67319124.

It is a super-2 number, since 2×42191376² = 3560224417546752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42191371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439446 + ... + 439541.

Almost surely, 2^42191376 is an apocalyptic number.

It is an amenable number.

42191376 is an abundant number, since it is smaller than the sum of its proper divisors (66803136).

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

42191376 is a wasteful number, since it uses less digits than its factorization.

42191376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878998 (or 878992 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 42191376 is about 6495.4888961494. The cubic root of 42191376 is about 348.1298234083.

The spelling of 42191376 in words is "forty-two million, one hundred ninety-one thousand, three hundred seventy-six".