442171180 has 24 divisors (see below), whose sum is σ = 1012974480. Its totient is φ = 160789440.

The previous prime is 442171153. The next prime is 442171181. The reversal of 442171180 is 81171244.

It is not an unprimeable number, because it can be changed into a prime (442171181) 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, 1004715 + ... + 1005154.

It is an arithmetic number, because the mean of its divisors is an integer number (42207270).

Almost surely, 2^442171180 is an apocalyptic number.

It is an amenable number.

442171180 is an abundant number, since it is smaller than the sum of its proper divisors (570803300).

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

442171180 is a wasteful number, since it uses less digits than its factorization.

442171180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009889 (or 2009887 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 442171180 is about 21027.8667486742. The cubic root of 442171180 is about 761.8394846096.

The spelling of 442171180 in words is "four hundred forty-two million, one hundred seventy-one thousand, one hundred eighty".