42180324 has 12 divisors (see below), whose sum is σ = 98420784. Its totient is φ = 14060104.

The previous prime is 42180317. The next prime is 42180329. The reversal of 42180324 is 42308124.

42180324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 42180294 and 42180303.

It is not an unprimeable number, because it can be changed into a prime (42180329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1757502 + ... + 1757525.

It is an arithmetic number, because the mean of its divisors is an integer number (8201732).

Almost surely, 2^42180324 is an apocalyptic number.

It is an amenable number.

42180324 is an abundant number, since it is smaller than the sum of its proper divisors (56240460).

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

42180324 is a wasteful number, since it uses less digits than its factorization.

42180324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3515034 (or 3515032 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 42180324 is about 6494.6380961529. The cubic root of 42180324 is about 348.0994233031.

Adding to 42180324 its reverse (42308124), we get a palindrome (84488448).

The spelling of 42180324 in words is "forty-two million, one hundred eighty thousand, three hundred twenty-four".