42864180 has 96 divisors (see below), whose sum is σ = 127008000. Its totient is φ = 10779648.

The previous prime is 42864179. The next prime is 42864187. The reversal of 42864180 is 8146824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42864187) 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 31 ways as a sum of consecutive naturals, for example, 122646 + ... + 122994.

It is an arithmetic number, because the mean of its divisors is an integer number (1323000).

Almost surely, 2^42864180 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 42864180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63504000).

42864180 is an abundant number, since it is smaller than the sum of its proper divisors (84143820).

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

42864180 is a wasteful number, since it uses less digits than its factorization.

42864180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 42864180 is about 6547.0741556821. The cubic root of 42864180 is about 349.9705553461.

The spelling of 42864180 in words is "forty-two million, eight hundred sixty-four thousand, one hundred eighty".