42971180 has 48 divisors (see below), whose sum is σ = 103735296. Its totient is φ = 14646720.

The previous prime is 42971161. The next prime is 42971183. The reversal of 42971180 is 8117924.

It is not an unprimeable number, because it can be changed into a prime (42971183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25937 + ... + 27543.

It is an arithmetic number, because the mean of its divisors is an integer number (2161152).

Almost surely, 2^42971180 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 42971180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51867648).

42971180 is an abundant number, since it is smaller than the sum of its proper divisors (60764116).

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

42971180 is a wasteful number, since it uses less digits than its factorization.

42971180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814 (or 1812 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 42971180 is about 6555.2406515703. The cubic root of 42971180 is about 350.2615188310.

The spelling of 42971180 in words is "forty-two million, nine hundred seventy-one thousand, one hundred eighty".