42941178 has 80 divisors (see below), whose sum is σ = 115811520. Its totient is φ = 11617344.

The previous prime is 42941177. The next prime is 42941189. The reversal of 42941178 is 87114924.

It is not an unprimeable number, because it can be changed into a prime (42941177) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20550 + ... + 22542.

It is an arithmetic number, because the mean of its divisors is an integer number (1447644).

Almost surely, 2^42941178 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42941178, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57905760).

42941178 is an abundant number, since it is smaller than the sum of its proper divisors (72870342).

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

42941178 is a wasteful number, since it uses less digits than its factorization.

42941178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033 (or 2024 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 42941178 is about 6552.9518539358. The cubic root of 42941178 is about 350.1799836200.

The spelling of 42941178 in words is "forty-two million, nine hundred forty-one thousand, one hundred seventy-eight".