42321180 has 48 divisors (see below), whose sum is σ = 129273984. Its totient is φ = 10259520.

The previous prime is 42321137. The next prime is 42321187. The reversal of 42321180 is 8112324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42321187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31402 + ... + 32721.

It is an arithmetic number, because the mean of its divisors is an integer number (2693208).

Almost surely, 2^42321180 is an apocalyptic number.

It is an amenable number.

42321180 is an abundant number, since it is smaller than the sum of its proper divisors (86952804).

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

42321180 is a wasteful number, since it uses less digits than its factorization.

42321180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64146 (or 64144 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 42321180 is about 6505.4730804147. The cubic root of 42321180 is about 348.4864711815.

Subtracting from 42321180 its reverse (8112324), we obtain a triangular number (34208856 = T₈₂₇₁).

The spelling of 42321180 in words is "forty-two million, three hundred twenty-one thousand, one hundred eighty".