42030180 has 72 divisors (see below), whose sum is σ = 128786112. Its totient is φ = 11094336.

The previous prime is 42030179. The next prime is 42030199. The reversal of 42030180 is 8103024.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17407 + ... + 19673.

It is an arithmetic number, because the mean of its divisors is an integer number (1788696).

Almost surely, 2^42030180 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 42030180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64393056).

42030180 is an abundant number, since it is smaller than the sum of its proper divisors (86755932).

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

42030180 is a wasteful number, since it uses less digits than its factorization.

42030180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2385 (or 2380 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 42030180 is about 6483.0687178218. The cubic root of 42030180 is about 347.6859036685.

The spelling of 42030180 in words is "forty-two million, thirty thousand, one hundred eighty".